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Discount Filters Coupons & Cash Back

Earn 1% Cash Back

DiscountFilters.com is the premier e-commerce site when it comes to filter needs.

Discount Filters Coupons & Promo Codes

20% Off Your Orders + Earn 1 SB per $1

No Expiration Date Most Popular Coupon

20% Off Sitewide + Earn 1 SB per $1

No Expiration Date

Save 20% on Your Orders + Earn 1 SB per $1

No Expiration Date

10% Off Any Air Filter + Earn 1 SB per $1

No Expiration Date

20% Off Sitewide + Earn 1 SB per $1

No Expiration Date

15% Off Your First Order For New Customers + Earn 1 SB per $1

No Expiration Date

Save 10% on Your Orders + Earn 1 SB per $1

No Expiration Date

Get 15% off Air Filters and Purifiers. + Earn 1 SB per $1

Coupon Expires: Dec. 31, 2019

$10 off orders of $75+. + Earn 1 SB per $1

Coupon Expires: Feb. 27, 2024

$15 off orders of $100+. + Earn 1 SB per $1

Coupon Expires: Feb. 27, 2024

$20 off orders of $125+. + Earn 1 SB per $1

Coupon Expires: Feb. 12, 2024

Discount Filters Deals & Sales

  • $5 off any Order When You Buy a Clear Choice Fridge Filter and An AirX Air Filter in the Same Order. + Earn 1 SB per $1

    Expires: Aug. 30, 2021