Discount Filter Store
3% Cash Back

Air filters and water filters you need to keep your tap water tasting clean and indoor air smelling fresh.

3% Cash Back

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Discount Filter Store Coupons & Shipping Offers

5% off Everything

Code: SITEWIDE5

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Expires: 6/30/2022

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10% off and Free Shipping on All Tier1 Brand Filters

Code: TIER1SAVE10

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Expires: 6/30/2022

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10% off Any Tier1 Water Softener or Whole House Water Filter System and Free Shipping

Code: WATERTENOFF

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Expires: 6/30/2022

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15% off Pool and Spa Filters

Code: SAVE15POOL

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Expires: 6/30/2022

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25% off Tier1 Brand Refrigerator Filters

Code: SAVE25FRIDGE

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Expires: 6/30/2022

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Free Shipping on Your First Order

Code: ALLFREESHIP

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Expires: 6/30/2022

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