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Discount Filter Store Promo Codes & Coupons

    These deals are old or have expired, but some might still work.

    • 10%

      Off

      code

      Discount Filter Store

      10% Off + Free Shipping on Any Order

      Verified

      5 used this deal

      Expired Jul 21, 2017

      Details:

      MINNESOTA10" promo offer is valid through July 20, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only


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    • Details:

      Enter promo code at checkout to get 7% off at Discount Filter Store. Exclusions may apply.


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    • 5%

      Off

      code

      Discount Filter Store

      5% Off + Free Shipping on Any Order

      Verified

      4 used this deal

      Expired Jul 14, 2017

      Details:

      "FREESHIP5" promo offer is valid through July 13, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only. "TIER20" promo offer is valid on Tier1® brand refrigerator filters only and is not valid together or with any other promotional offers. "POOL" promo offer is valid on Tier1® brand pool and spa filters only and is not valid together or with any other promotional offers. "AIR30" promo offer is valid on Tier1® brand furnace filters only and is not valid together or with any other promotional offers.


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    • Details:

      Enter promo code at checkout to get 10% off at Discount Filter Store. Exclusions may apply.


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    • Free

      Shipping

      code

      Details:

      Enter promo code at checkout to apply this offer at Discount Filter Store. Exclusions may apply.


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    • 10%

      Off

      code

      Discount Filter Store

      10% Off Any Order

      Verified

      Expired Jul 10, 2017

      Details:

      You already have enough on your plate, so don't waste your weekend spending too much time and money on your replacement filters. We've made it extra easy by offering an additional 10% off your order, no matter what you need. Get 10% OFF everything site-wide when you use promo code WEEKEND10 through Sunday, July 9th.


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    • Details:

      Enter promo code at checkout to get 20% off at Discount Filter Store. Exclusions may apply.


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    • Details:

      Enter promo code at checkout to get 20% off at Discount Filter Store. Exclusions may apply.


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    • 10%

      Off

      code

      37FD8

      Show Code

      40% Success

      Details:

      Enter promo code at checkout to get 10% off at Discount Filter Store. Exclusions may apply.


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    • Details:

      Enter promo code at checkout to apply this offer at Discount Filter Store. Exclusions may apply.


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    • 5%

      Off

      code

      Discount Filter Store

      5% Off + Free Shipping on Any Order

      Verified

      7 used this deal

      Expired Jul 7, 2017

      Details:

      "FREEDOM5" promo offer is valid through July 6, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only. "TIER20" promo offer is valid on Tier1® brand refrigerator filters only and is not valid together or with any other promotional offers. "POOL" promo offer is valid on Tier1® brand pool and spa filters only and is not valid together or with any other promotional offers. "AIR30" promo offer is valid on Tier1® brand furnace filters only and is not valid together or with any other promotional offers.


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    • Details:

      Enter promo code at checkout to get 30% off at Discount Filter Store. Exclusions may apply.


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    • Details:

      Enter promo code at checkout to get 40% off at Discount Filter Store. Exclusions may apply.


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    • 10%

      Off

      code

      Discount Filter Store

      10% Off Tier1 Brand Refrigerator Filters

      Verified

      4 used this deal

      Expired Jul 10, 2017

      Details:

      Enter promo code at checkout to get 10% off at Discount Filter Store. Exclusions may apply.


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    • 5%

      Off

      code

      Discount Filter Store

      5% Off + Free Shipping on Any Order

      Verified

      7 used this deal

      Expired Jun 23, 2017

      Details:

      SUMMER5" promo offer is valid on Tier1® brand filters only through June 22, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only


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    • 20%

      Off

      code

      Discount Filter Store

      20% Off Tier1 Brand Refrigerator Filters

      Verified

      3 used this deal

      Expired Jun 30, 2017

      Details:

      "FREESHIP10" promo offer is valid through June 29, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only. "TIER20" promo offer is valid on Tier1® brand refrigerator filters only and is not valid together or with any other promotional offers. "POOL" promo offer is valid on Tier1® brand pool and spa filters only and is not valid together or with any other promotional offers. "AIR30" promo offer is valid on Tier1® brand furnace filters only and is not valid together or with any other promotional offers.


      More

    • 10%

      Off

      code

      Discount Filter Store

      10% Off Any Order

      Verified

      5 used this deal

      Expired Jun 3, 2017

      Details:

      Enter promo code at checkout to get 10% off at Discount Filter Store. Exclusions may apply.


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    • 5%

      Off

      code

      Discount Filter Store

      5% Off Any Order + Free Shipping

      Verified

      13 used this deal

      Expired May 19, 2017

      Details:

      "FREESHIP5" promo offer is valid through May 18, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only. "


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    • 10%

      Off

      code

      Discount Filter Store

      10% Off Any Order

      Verified

      15 used this deal

      Expired May 15, 2017

      Details:

      MOM10" promo offer is valid through May 14, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only.


      More

    • 7%

      Off

      code

      Discount Filter Store

      7% Off + Free Shipping on Any Order

      Verified

      5 used this deal

      Expired May 5, 2017

      Details:

      GRILL7" promo offer is valid through May 4, 2017 and is not valid together or with any other promotional offers


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    • 10%

      Off

      code

      Discount Filter Store

      10% Off + Free Shipping on Any Order

      Verified

      11 used this deal

      Expired Apr 29, 2017

      Details:

      Enter promo code at checkout to get 10% off at Discount Filter Store. Exclusions may apply.


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    • 10%

      Off

      code

      Discount Filter Store

      10% Off Everything

      Verified

      11 used this deal

      Expired Apr 24, 2017

      Details:

      Enter promo code at checkout to get 10% off at Discount Filter Store. Exclusions may apply.


      More

    • 10%

      Off

      code

      Discount Filter Store

      10% Off Any Order

      Verified

      18 used this deal

      Expired Apr 15, 2017

      Details:

      Enter promo code at checkout to get 10% off at Discount Filter Store. Exclusions may apply.


      More

    • 5%

      Off

      code

      Discount Filter Store

      5% Off + Free Shipping Site-Wide

      Verified

      1779 used this deal

      Expired Apr 14, 2017

      Details:

      Enter promo code at checkout to get 5% off at Discount Filter Store. Exclusions may apply.


      More

    • 5%

      Off

      code

      Discount Filter Store

      5% Off + Free Shipping on Any Order

      Verified

      2180 used this deal

      Expired Mar 17, 2017

      Details:

      PATRICK5" promo offer is valid through March 16, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only


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    • 10%

      Off

      code

      Discount Filter Store

      10% Off Any Purchase

      Verified

      23 used this deal

      Expired Feb 25, 2017

      Details:

      "FRIDGE50" promo offer is valid on Tier1® brand refrigerator filters only through February 24, 2017 and is not valid together or with any other promotional offers and is not valid on RWF1180 filters. "WATER40" promo offer is valid on Tier1® brand water filters only through February 24, 2017 and is not valid together or with any other promotional offers and is not valid on RWF1180 filters. "AIR35" promo offers is valid on Tier1® brand air and humidification filters only through February 24, 2017 and is not valid together or with any other promotional offers. "PRESIDENTS10" promo offer is valid through February 24, 2017 and is not valid together or with any other promotional offers.


      More

    • 10%

      Off

      code

      Discount Filter Store

      10% Off Any Order

      Verified

      68 used this deal

      Expired Feb 10, 2017

      Details:

      Enter promo code at checkout to get 10% off at Discount Filter Store. Exclusions may apply.


      More

    • 5%

      Off

      code

      Discount Filter Store

      5% Off + Free Shipping on Any Order

      Verified

      275 used this deal

      Expired Feb 10, 2017

      Details:

      Enter promo code at checkout to get 5% off at Discount Filter Store. Exclusions may apply.


      More

    • 7%

      Off

      code

      Discount Filter Store

      7% Off Any Order

      Verified

      68 used this deal

      Expired Jan 20, 2017

      Details:

      "SAVE7" promo offer is valid through January 19, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only.


      More

    • Free

      Shipping

      code

      Details:

      Enter promo code at checkout to apply this offer at Discount Filter Store. Exclusions may apply.


      More

    • Free

      Shipping

      code

      Discount Filter Store

      Free Shipping on All Orders

      Verified

      293 used this deal

      Expired Apr 1, 2017

      Details:

      Enter promo code at checkout to apply this offer at Discount Filter Store. Exclusions may apply.


      More

    • Free

      Shipping

      code

      Discount Filter Store

      Free Shipping on Any Order

      Verified

      20 used this deal

      Expired Mar 13, 2017

      Details:

      "DAYLIGHT" promo offer is valid through March 12, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only. "TIER20" promo offer is valid on Tier1® brand refrigerator filters only and is not valid together or with any other promotional offers. "HUMID20" promo offer is valid on Tier1® brand humidification filters only and is not valid together or with any other promotional offers. "AIR30" promo offer is valid on Tier1® brand furnace filters only and is not valid together or with any other promotional offers.


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    • Free

      Shipping

      code

      Discount Filter Store

      Free Shipping on Any Order

      Verified

      71 used this deal

      Expired Feb 17, 2017

      Details:

      "PREVIEWSHIP" promo offer is valid on February 16, 2017 only and is not valid together or with any other promotional offers.


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    • 7%

      Off

      code

      Discount Filter Store

      7% Off Any Order

      Verified

      784 used this deal

      Expired Feb 17, 2017

      Details:

      Enter promo code at checkout to get 7% off at Discount Filter Store. Exclusions may apply.


      More

    • 5%

      Off

      code

      Discount Filter Store

      5% Off + Free Shipping on Any Order

      Verified

      266 used this deal

      Expired Feb 3, 2017

      Details:

      "GROUNDHOG5" promo offer is valid through February 2, 2017 and is not valid together or with any other promotional offers.


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    • 10%

      Off

      code

      Discount Filter Store

      10% Off Any Order

      Verified

      228 used this deal

      Expired Jan 27, 2017

      Details:

      "FOOTBALL10" promo offer is valid through January 26, 2017 and is not valid together or with any other promotional offers.


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    • 10%

      Off

      code

      Discount Filter Store

      10% Off Any Order

      Verified

      106 used this deal

      Expired Jan 13, 2017

      Details:

      "YOU10" promo offer is valid through January 12, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only. "TIER20" promo offer is valid on Tier1® brand refrigerator filters only and is not valid together or with any other promotional offers. "HUMID20" promo offer is valid on Tier1® brand humidification filters only and is not valid together or with any other promotional offers. "AIR30" promo offer is valid on Tier1® brand furnace filters only and is not valid together or with any other promotional offers.


      More

    • 5%

      Off

      code

      Discount Filter Store

      5% Off Any Order

      23 used this deal

      Expired Jan 26, 2017

      Details:

      Enter promo code at checkout to get 5% off at Discount Filter Store. Exclusions may apply.


      More

    • Free

      Shipping

      code

      Discount Filter Store

      Free Standard Shipping All Orders

      43 used this deal

      Expired Mar 13, 2017

      Details:

      Enter promo code at checkout to apply this offer at Discount Filter Store. Exclusions may apply.


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    • Free

      Shipping

      code

      Discount Filter Store

      Free Shipping on Any Order

      Verified

      12 used this deal

      Expired Jan 20, 2017

      Details:

      "LIGHTSOUT" promo offer is valid on January 19, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only.


      More

    • 10%

      Off

      code

      Discount Filter Store

      10% Off Your Order

      41 used this deal

      Expired Jan 26, 2017

      ESHIP

      Show Code

      20% Success

      Details:

      Enter promo code at checkout to get 10% off at Discount Filter Store. Exclusions may apply.


      More

    • 20%

      Off

      code

      Discount Filter Store

      20% Off Tier1 Brand Humidification Filters

      Verified

      13 used this deal

      Expired Apr 22, 2017

      Details:

      Enter promo code at checkout to get 20% off at Discount Filter Store. Exclusions may apply.


      More

    • 20%

      Off

      code

      Discount Filter Store

      20% Off Tier1 Brand Refrigerator Filters

      Verified

      6 used this deal

      Expired Apr 22, 2017

      Details:

      Enter promo code at checkout to get 20% off at Discount Filter Store. Exclusions may apply.


      More

    • 20%

      Off

      code

      Discount Filter Store

      20% Off Tier1 Brand Filters

      Verified

      239 used this deal

      Expired Apr 8, 2017

      Details:

      "20TIER1" promo offer is valid on Tier1® brand filters only through April 7, 2017 and is not valid together or with any other promotional offers.


      More

    • 20%

      Off

      code

      Discount Filter Store

      20% Off Tier1 Brand Refrigerator Filters

      Verified

      1169 used this deal

      Expired Apr 7, 2017

      Details:

      Enter promo code at checkout to get 20% off at Discount Filter Store. Exclusions may apply.


      More

    • 20%

      Off

      code

      Discount Filter Store

      Up to 20% Off Tier1 Brand Refrigerator Flters

      Verified

      4 used this deal

      Expired Apr 7, 2017

      Details:

      Enter promo code at checkout to get 20% off at Discount Filter Store. Exclusions may apply.


      More

    • 20%

      Off

      code

      Discount Filter Store

      20% Off Humidification

      Verified

      2244 used this deal

      Expired Mar 24, 2017

      Details:

      Enter promo code at checkout to get 20% off at Discount Filter Store. Exclusions may apply.


      More

    • 20%

      Off

      code

      Discount Filter Store

      20% Off Tier1 Brand Refrigerator Flters

      Verified

      1197 used this deal

      Expired Mar 13, 2017

      Details:

      "DAYLIGHT" promo offer is valid through March 12, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only. "TIER20" promo offer is valid on Tier1® brand refrigerator filters only and is not valid together or with any other promotional offers. "HUMID20" promo offer is valid on Tier1® brand humidification filters only and is not valid together or with any other promotional offers. "AIR30" promo offer is valid on Tier1® brand furnace filters only and is not valid together or with any other promotional offers.


      More

    • 20%

      Off

      code

      Discount Filter Store

      20% Off Humidification

      Verified

      33 used this deal

      Expired Mar 13, 2017

      Details:

      "DAYLIGHT" promo offer is valid through March 12, 2017 and is not valid together or with any other promotional offers. Shipping refers to standard shipping for U.S. customers in the continental U.S. only. "TIER20" promo offer is valid on Tier1® brand refrigerator filters only and is not valid together or with any other promotional offers. "HUMID20" promo offer is valid on Tier1® brand humidification filters only and is not valid together or with any other promotional offers. "AIR30" promo offer is valid on Tier1® brand furnace filters only and is not valid together or with any other promotional offers.


      More

    • 25%

      Off

      code

      Discount Filter Store

      25% Off Tier1 Air Filters + Free Shipping

      Verified

      18 used this deal

      Expired Mar 3, 2017

      Details:

      Enter promo code at checkout to get 25% off at Discount Filter Store. Exclusions may apply.


      More

    • 30%

      Off

      code

      Discount Filter Store

      30% Off Tier1 Water + Free Shipping

      Verified

      14 used this deal

      Expired Mar 3, 2017

      Details:

      Enter promo code at checkout to get 30% off at Discount Filter Store. Exclusions may apply.


      More

    • 50%

      Off

      code

      Discount Filter Store

      50% Off Tier1 Fridge

      Verified

      436 used this deal

      Expired Feb 25, 2017

      Details:

      "FRIDGE50" promo offer is valid on Tier1® brand refrigerator filters only through February 24, 2017 and is not valid together or with any other promotional offers and is not valid on RWF1180 filters. "WATER40" promo offer is valid on Tier1® brand water filters only through February 24, 2017 and is not valid together or with any other promotional offers and is not valid on RWF1180 filters. "AIR35" promo offers is valid on Tier1® brand air and humidification filters only through February 24, 2017 and is not valid together or with any other promotional offers. "PRESIDENTS10" promo offer is valid through February 24, 2017 and is not valid together or with any other promotional offers.


      More

    • 35%

      Off

      code

      Discount Filter Store

      35% Off Tier1 Air

      Verified

      16 used this deal

      Expired Feb 25, 2017

      Details:

      "FRIDGE50" promo offer is valid on Tier1® brand refrigerator filters only through February 24, 2017 and is not valid together or with any other promotional offers and is not valid on RWF1180 filters. "WATER40" promo offer is valid on Tier1® brand water filters only through February 24, 2017 and is not valid together or with any other promotional offers and is not valid on RWF1180 filters. "AIR35" promo offers is valid on Tier1® brand air and humidification filters only through February 24, 2017 and is not valid together or with any other promotional offers. "PRESIDENTS10" promo offer is valid through February 24, 2017 and is not valid together or with any other promotional offers.


      More

    • 40%

      Off

      code

      Discount Filter Store

      40% Off Tier1 Water

      Verified

      21 used this deal

      Expired Feb 25, 2017

      Details:

      "FRIDGE50" promo offer is valid on Tier1® brand refrigerator filters only through February 24, 2017 and is not valid together or with any other promotional offers and is not valid on RWF1180 filters. "WATER40" promo offer is valid on Tier1® brand water filters only through February 24, 2017 and is not valid together or with any other promotional offers and is not valid on RWF1180 filters. "AIR35" promo offers is valid on Tier1® brand air and humidification filters only through February 24, 2017 and is not valid together or with any other promotional offers. "PRESIDENTS10" promo offer is valid through February 24, 2017 and is not valid together or with any other promotional offers.


      More

    • 20%

      Off

      code

      Discount Filter Store

      20% Off Humidification Products

      Verified

      42 used this deal

      Expired Jan 20, 2017

      Details:

      "HUMID20" promo offer is valid on Tier1® brand humidification filters only and is not valid together or with any other promotional offers.


      More

    • 20%

      Off

      code

      Discount Filter Store

      20% Off Tier1 Brand Refrigerator Filters

      Verified

      14 used this deal

      Expired Jan 20, 2017

      Details:

      TIER20" promo offer is valid on Tier1® brand refrigerator filters only and is not valid together or with any other promotional offers.


      More

    • 40%

      Off

      code

      Discount Filter Store

      40% Off Tier 1 Fridge + Free Shipping

      Verified

      471 used this deal

      Expired Mar 3, 2017

      Details:

      Enter promo code at checkout to get 40% off at Discount Filter Store. Exclusions may apply.


      More

    • 30%

      Off

      code

      Details:

      Enter promo code at checkout to get 30% off at Discount Filter Store. Exclusions may apply.


      More

    • Details:

      Enter promo code at checkout to get 5% off at Discount Filter Store. Exclusions may apply.


      More

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    Updated

    $19

    Average Savings

    3

    Active Coupons

    Filter Coupons
    About Discount Filter Store Deals

    Discount Filter Store currently has 3 active coupons. On average, our Discount Filter Store coupons save shoppers $18.88. 🔥 Today's top offer: Get Up To 10% Off Any Filter. No deals available for your product? Sign up for deal alerts and get updates whenever a new Discount Filter Store promo code is released.

    Contact Discount Filter Store

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