Discount Filter Store Discount, Coupons, Codes

6
Verified Coupons
Updated 5 Days Ago
Expired Coupons
We wish these coupon codes and deals lasted longer! Here are a few coupons that may still work. It never hurts to try!
  • CODE
    10%
    OFF
    10% Off When You Complete Your Order

    expired: 04/30/2018

    100% Success
    CART10OFFShow Coupon Code
  • CODE
    30%
    OFF
    30% Off Tier1 Furnace Air Filter

    expired: 04/22/2018

    100% Success
    AIR30Show Coupon Code
  • CODE
    20%
    OFF
    20% Off Tier1 Fridge Filter

    expired: 04/22/2018

    100% Success
    TIER20Show Coupon Code
  • CODE
    10%
    OFF
    10% Off Any Order

    expired: 04/19/2018

    100% Success
    VETERANShow Coupon Code
  • CODE
    15%
    OFF
    15% Off Any Order 

    expired: 04/19/2018

    100% Success
    MISSYOUShow Coupon Code
  • CODE
    15%
    OFF
    15% Off Everything Site-Wide

    expired: 04/19/2018

    100% Success
    SPRING15 Show Coupon Code
  • CODE
    FREE
    SHIPPING
    Free Shipping On Any Order

    expired: 04/19/2018

    100% Success
    GETFILTERSShow Coupon Code
  • CODE
    5%
    OFF
    5% Off Any Order + Free Shipping 

    expired: 04/19/2018

    100% Success
    REPLACEShow Coupon Code
  • CODE
    10%
    OFF
    10% Off Any Order + Free Shipping

    expired: 04/19/2018

    100% Success
    REPLACESHIPShow Coupon Code
  • CODE
    $10
    OFF
    $10 Off Orders Over $30

    expired: 04/19/2018

    100% Success
    10OFFWATERShow Coupon Code
  • CODE
    5%
    OFF
    5% Off Your Purchase

    expired: 03/22/2018

    100% Success
    REPLACEShow Coupon Code
  • CODE
    5%
    OFF
    5% Off UNH Employee/Student

    expired: 03/22/2018

    100% Success
    UNHShow Coupon Code
  • CODE
    30%
    OFF
    30% Off Tier 1 Furnace Air Filters

    expired: 03/22/2018

    100% Success
    air30Show Coupon Code
  • CODE
    40%
    OFF
    40% Off Tier1 Refrigerator Filters

    expired: 03/22/2018

    100% Success
    TIER40Show Coupon Code
  • CODE
    20%
    OFF
    Save 20% On Tier1 Air Filters

    expired: 03/21/2018

    100% Success
    AIR20Show Coupon Code
  • CODE
    30%
    OFF
    30% Off Tier1 Air Filters

    expired: 03/21/2018

    100% Success
    CLEAN30Show Coupon Code
  • CODE
    FREE
    SHIPPING
    Free Shipping on Your Purchase

    expired: 03/21/2018

    100% Success
    GETFILTERSShow Coupon Code
  • CODE
    10%
    OFF
    10% Off Your Orders Over $50

    expired: 03/21/2018

    100% Success
    SAVE10Show Coupon Code
  • CODE
    10%
    OFF
    10% Off Any Order + Free Shipping

    expired: 03/21/2018

    100% Success
    REPLACESHIPShow Coupon Code
  • CODE
    30%
    OFF
    Save 30% On Tier1 Products

    expired: 03/21/2018

    100% Success
    Tier30Show Coupon Code
  • CODE
    15%
    OFF
    15% Off All Orders

    expired: 03/21/2018

    100% Success
    MISSYOUShow Coupon Code
  • CODE
    20%
    OFF
    20% Off Tier1 Products

    expired: 03/21/2018

    100% Success
    TIER20Show Coupon Code
  • CODE
    25%
    OFF
    Save 25% On Humidifier Filters

    expired: 03/21/2018

    100% Success
    HUMID25Show Coupon Code
  • CODE
    FREE
    SHIPPING
    Free Shipping On Your Purchase

    expired: 03/01/2018

    100% Success
    GETFILTERSShow Coupon Code
  • CODE
    30%
    OFF
    30% Off Tier1 Air + Free Shipping

    expired: 03/01/2018

    100% Success
    AIR30SHIPShow Coupon Code
  • CODE
    10%
    OFF
    10% Off Any Order Plus Free Shipping

    expired: 03/01/2018

    100% Success
    REPLACESHIPShow Coupon Code
  • CODE
    20%
    OFF
    20% Off Tier1 Products

    expired: 03/01/2018

    100% Success
    TIER20Show Coupon Code
  • CODE
    25%
    OFF
    Save 25% On Humidifier Filters

    expired: 03/01/2018

    100% Success
    HUMID25Show Coupon Code
  • CODE
    30%
    OFF
    30% Off Tier1 Water + Free Shipping

    expired: 03/01/2018

    100% Success
    WATER30SHIPShow Coupon Code
50 Offers Available

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About Discount Filter Store

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Discount Filter Store is a discount filter store that offers the largest selection of refrigerator, water, air purification, and pool and spa filters at the best prices online. You can shop by brand, category, product, and more to easily find the item you need. Discount Filter Store coupons can save you even more on your new filter.