30%OFF
30% Off Sitewide
See DetailsExpires 11/24/2024
EARLY30
Discount Filters Coupons & Promo Codes
Verified Discount Filters Promo Codes & Coupons
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20%OFF
20% Off Sitewide
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BREATHE20
20%OFF
20% Off With Subscribe & Save
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15%OFF
15% Off First Order
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$4.99 Flat Rate Shipping For Orders Under $65
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FREE
Free Shipping On $65+ Order
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Exclusive Offers & Discounts
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Spin The Wheel Mystery Discount or Free Gift!
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Unverified Promo Codes
These Discount Filters discount codes are marked as expired in our system, but it's really common for coupons to work beyond their advertised expiation date. So we certainly can't guarantee that these codes work, but they very well might!
30%OFF
30% Off Sitewide
Valid through November 17th. Get 30% off throughout the site when you use this code at checkout.
EARLY30
25%OFF
25% Off Sitewide
Get 25% off storewide when you enter this Discount Filters code during checkout. Good through November 3rd.
ALL25
25%OFF
25% Off Fridge & Humidifier Filters
Get discount filters - 25% off fridge & humidifier filters when you enter this Discount Filters coupon during checkout. Ends October 30th.
CLEAR25
20%OFF
20% Off Sitewide
Score 20% off throughout the site when you enter this promo code during checkout. Ending October 27th.
SAVE20
30%OFF
30% Off Sitewide
Click through and tap 'copy & go' to save 30% off storewide at Discount Filters. Discount code valid through October 20th.
HEALTHY30
25%OFF
25% Off Sitewide
Shop online and save throughout the site at Discount Filters with this coupon when you check out. Ends October 13th.
COZY25
20%OFF
20% Off Air, Water, & Humidifier Filters
Valid through October 6th. Score 20% off air, water, & humidifier filters when you use this promotional code at checkout.
READY20
30%OFF
30% Off Sitewide
Click through and tap 'copy & go' to save 30% off storewide at Discount Filters. Code valid now through September 29th.
FALL30
25%OFF
25% Off Air, Fridge, & Vacuum Filters
Click through and tap 'copy & go' to get 25% off air, fridge, & vacuum filters at Discount Filters. Coupon valid through September 22nd.
FAST25
20%OFF
20% Off Sitewide
Ending September 15th. Score 20% off throughout the site when you use this promo code at checkout.
SAVE20
35%OFF
35% Off Sitewide
Click through and tap 'copy & go' to receive 35% off throughout the site at Discount Filters. Coupon code ending tonight.
LABORDAY35
35%OFF
35% Off Sitewide
Redeem 35% off storewide when you enter this Discount Filters code during checkout. Valid now through September 8th.
LABORDAY35
35%OFF
35% Off Sitewide
Shop online and save throughout the site at Discount Filters with this coupon when you check out. Expires today.
LABORDAY35
25%OFF
25% Off Sitewide
Shop online and save throughout the site at Discount Filters with this discount code when you check out. Ends September 1st.
DOG25
30%OFF
30% Off Sitewide
Valid now through tonight. Save 30% off storewide when you use this Discount Filters promotion code at checkout.
FLASH30
30%OFF
30% Off Sitewide
Ends August 25th. Get 30% off throughout the site when you use this code at checkout.
FLASH30
30%OFF
30% Off Sitewide
Shop online and save throughout the site at Discount Filters with this coupon code when you check out. Good through August 18th.
CLEAN30
20%OFF
20% Off Sitewide
Shop online and save storewide at Discount Filters with this code when you check out. Ending August 4th.
WATER20
20%OFF
20% Off Sitewide
Valid through July 14th. Score 20% off storewide when you use this Discount Filters discount code at checkout.
SAFE20
35%OFF
35% Off Sitewide
Redeem 35% off throughout the site when you enter this promotion code during checkout. Ending tonight.
FIREWORK35
About Discount Filters
Share the Savings
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Submit a CouponRate Discount Filters:
4.8 with 19 ratings
About Discount Filters:
Discount Filters is a one-stop-shop for air and water filters for your home or business. With brands including Maytag, LG, GE, Kitchenaid, and more, customers have hundreds of options to select from, and each item comes with a satisfaction guarantee.
Discount Filters Frequently Asked Questions
How do I use a Discount Filters coupon?
During the Review stage of checkout, look for the "Promotional Code" box under your products. Enter the coupon code and click "Apply" to activate the offer before proceeding to checkout.
How can I save 10% at Discount Filters?
Subscribe for auto-delivery and save 10% on each order, plus shipping is free.
Does Discount Filters offer free shipping?
Free shipping is always offered by Discount Filters, or a faster ground shipping is available for a flat rate of $6. Customers have up to 1 year to return products completely free of charge.
How do I contact Discount Filters?
Discount Filters offers a customer service page where you can fill out your name, email, phone number, and a description of your question, and a representative will respond in a timely manner. They can also be reached by phone at 317-536-7445.
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