10% Off Your Order
Used 102 Times
Free Shipping on Auto-ship Orders Plus Up to Extra 10% Off Future Orders
Used 506 Times
15% Off Mother's Day Gifts
Enter this coupon code at checkout and get 15% discount on Mother's Day gifts.
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10% Off Your Order With Email Sign Up
Shop Water Filters from $2.99
Free Shipping on Orders Over $59
Filter Finders
Shop Air Conditioner Replacement Filters from $24.45
Shop Pool and Spa Filters from $3.90
90-Day Return Policy
Top DiscountFilterStore.com Coupons and Deals for April 2025
| Coupon | Discount Type | Last Used |
|---|---|---|
| Shop Air Conditioner Replacement Filters from $24.45 | Deal | Apr 29, 2025 |
| Shop Pool and Spa Filters from $3.90 | Deal | Apr 29, 2025 |
| Shop Water Filters from $2.99 | Deal | Apr 29, 2025 |
| 10% Off Your Order | Coupon Code | Apr 29, 2025 |
| Free Shipping on Auto-ship Orders Plus Up to Extra 10% Off Future Orders | Deal | Apr 29, 2025 |
Recently Expired DiscountFilterStore.com Coupons
20% Off Sitewide
50% Off Tier1 & Tier1 Plus Fridge Filters
15% off All Orders
7% off All Orders
5% off All Orders + Free Shipping
Best Discount Filter Store Sales Available Now
Get the best deals on air and water filters for your home with the Discount Filter Store. Discount Filter Store offers a huge collection of U.S.-made water filters for fridges, sinks, and whole homes, as well as a wide variety of top-quality air filters. Sign up for the company’s digital newsletter to save 20% on your first order, and subscribe to receive automatic filter deliveries and save 10% on your order.
How to Save at DiscountFilterStore.com
20% Newsletter Discount
Subscribe to the Discount Filter Store newsletter and get 20% off your first order along with updates on future home improvement sales.
Free Shipping Over $59
Unlock free shipping at Discount Filter Store when you make a purchase of $59 or more and ship to an address within the continental U.S.
Subscribe and Save 10%
Choose Discount Filter Store Auto-Ship on any filter product page to save up to 10% on future Auto-Ship orders. Enter the checkout process to choose the right auto-delivery window so you don’t fall behind on filter replacements.
DiscountFilterStore.com - Frequently Asked Questions
Which air filter should I buy from the Discount Filter Store?
The best air filter varies widely depending on your space and filtration needs. Read the Discount Filter Store Air Filter Guide for tips on selecting the right air filter for your house or office.
What contaminants do Discount Filter Store’s water filters remove?
Discount Filter Store water filters are designed to remove a wide variety of chemical, physical, radiological and biological contaminants. Browse the Discount Filter Store Clean Water guide for a full list of contaminants the company can remove from your drinking water.
Where do I find information on refrigerator filters?
Use the handy Discount Filter Store Fridge Filter Buying Guide to find the right filter for your refrigerator by type or brand to remove over 66 contaminants including parasites, lead, mercury, and industrial chemicals.
How do I contact Discount Filter Store customer service?
Speak to a Discount Filter Store’s customer service representative by calling (800) 277-3458 or emailing support@discountfilterstore.com.
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Today's Top DiscountFilterStore.com Discounts
Top
- 10% Off Your Order
- Free Shipping on Auto-ship Orders Plus Up to Extra 10% Off Future Orders
| Total Offers | 9 |
| Coupon Codes | 1 |
| Best Discount | 10% Off |
| Free Shipping Deals | 2 |
| Average Savings | $14.70 |
About DiscountFilterStore.com
Discount Filter Store is a water and air filter business headquartered in Minnesota. The company leverages cutting-edge reverse osmosis and UV light technology to remove contaminants from drinking water, as well as carefully developed filters to protect from airborne spores, dust, and other particulates. Discount Filter Store’s customer service team is knowl...
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