35% Off Sale
Celebrate Earth Day all week long and save 35% on your order, plus get free shipping on all orders at DiscountFilters.com. Use code EARTH35 at checkout.
EARTH35
Source: Discount Filters Newsletter
Promo Codes
Take 30% Off Everything + Free Shipping
Take 30% off sitewide and enjoy free shipping on your order with code CLEAN30.
CLEAN30
Source: Discount Filters Newsletter
Verified 14 days ago
30% 30% Off + Free Shipping
Shop online and save sitewide at Discount Filters with this promo code when you check out. Expiration unknown.
DAD30
25% Off Your Entire Order
Take 25% off your entire order plus free shipping with code CHANGE25.
CHANGE25
Source: Discount Filters Newsletter
25% Off - Plus Free Shipping
Get 25% off plus free shipping using code PETS25.
PETS25
Source: Discount Filters Newsletter
25% Off All Filters
Get ready to take on pollen with an updated air filter. Use code FILTER25 to get 25% off all air & water filters.
FILTER25
Source: Discount Filters Newsletter
25% Off Sitewide
Take 25% off sitewide! Shop now and save.
EASY25
Source: Discount Filters Newsletter
20% Off Plus Free Shipping
Jump into savings on your order of pool or spa filters or accessories with code SALE20. Don't have a pool or spa? Don't worry, you can also Save 20% on HVAC, fridge, and other filters this week.
SALE20
Source: Discount Filters Newsletter
20% Off All Filters
Enjoy 20% off all air filters from Discount Filters. Shop a wide selection of high-quality air filters designed to address various needs, from basic protection against dust and allergens to total protection against bacteria and tobacco smoke. Use code SHOP20 at checkout to redeem your discount.
SHOP20
Source: Discount Filters Newsletter
Save 20% + Free Shipping
Enjoy peace of mind knowing that every filter in your house is fresh for a clean, safe home. Use code SAVE20 to save 20% on your entire order.
SAVE20
Source: Discount Filters Newsletter
Verified 19 days ago
20% 20% Off American-made Filter Replacements
Enjoy 20% off American-Made Filter Replacements using code ACREADY20.
ACREADY20
Source: Discount Filters Newsletter
Online Sales
Verified 14 days ago
35% 35% Off 1st Order
Shop online and save throughout the site at Discount Filters with this promotion. Expiration unknown.
Verified 7 days ago
20% 20% Off
Save 20% on your purchase during our Summer Sale!
Source: Discount Filters Newsletter
Verified 5 days ago
20% 20% Off Summer Sale
Enjoy a great discount during our Summer Sale! Get 20% off quality filters to keep your home clean and your air and water fresh.
Source: Discount Filters Newsletter
20% Off With Subscribe & Save
Click through to get 20% off with subscribe & save sitewide with this deal at Discount Filters. Expiration unknown.
Verified 14 days ago
Free Shipping - No Minimum
Click through to get free shipping - no minimum storewide with this discount at Discount Filters. Expiration unknown.
Exclusive Offers & Discounts
With Email Sign Up: Valid with email sign up.
Spin The Wheel Mystery Discount or Free Gift!
Click through to get spin the wheel mystery discount or free gift! with this promotion at Discount Filters.
About Discount Filters
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.
Share the Savings
Have a Discount Filters coupon that's not listed here? Share it with fellow shoppers!
Submit a CouponRate Discount Filters
Average rating: 4.8 out of 5 (19 ratings)
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.
