Discountfilters

discountfilters.com · Tech

Discounts at Discountfilters rotate: seasonal codes replace expiring ones, and the occasional exclusive lands alongside them. We've got 30 active offers listed here — all codes you paste at checkout. Codes surface here after they clear our checks — if one stops working, it comes down on the next sweep.

Best code right now
70% off — Save Up to 70% on Your Order
Don't miss out on savings of up to 70% on a wide range of products.
30 verified offers Last checked Oct 10, 2026 DataProt editorial review See all codes
16 active · verified Oct 10, 2026

Verified Discountfilters coupons

20% off

20% Discount on Everything

Apply this code to receive a 20% discount on all items.

Updated last week
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20% off

20% Off Your Entire Purchase

Take 20% off all items across the Discountfilters store with this promotional code.

Updated 4 days ago
20% off

20% Off All Products

Get 20% off your entire order when you use this coupon code at Discountfilters.

Updated last week
20% off

20% Off on Specific Products

Receive 20% off on a curated selection of items at Discountfilters using this coupon code.

Updated 4 days ago
70% off

Up to 70% Off Your Order

Take advantage of savings up to 70% on your next purchase.

Updated last week
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70% off

Save Up to 70% on Your Order

Don't miss out on savings of up to 70% on a wide range of products.

Updated last week
Deal

Massive Savings Site-Wide

Enjoy substantial savings across the entire website with this offer.

Updated last week
60% off

Up to 60% Off Selected Items

Enjoy discounts of up to 60% on a variety of selected items.

Last checked last week
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60% off

Up to 60% Off Handpicked Products

Get significant savings of up to 60% on a curated selection of products.

Updated last week
50% off

50% Off Your Purchase

Get an amazing 50% discount on your entire order with this code.

Updated last week
Deal

Shop the Best Products

Discover and purchase top-quality products with this special offer.

Updated last week
Sale event

Sitewide Sale: Reduced Prices on All Items

Take advantage of reduced prices across the entire site during this sale event.

Updated last week
37% off

37% Off Storewide

Enjoy a 37% discount on all items when you use this code.

Last checked 4 days ago
Deal

Exclusive Discount Codes Available

Unlock special savings with our latest discount codes.

Updated last week
35% off

35% Off Storewide

Save 35% on your entire purchase with this exclusive offer.

Last checked last week
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35% off

35% Off Your Order

Use this coupon code to get 35% off your next order.

Updated 4 days ago
35% off

35% Off When You Restock

Restock your filters and save 35% with this exclusive coupon.

Updated 6 days ago
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10% off

10% Off All Orders

Save 10% on your next order from Discountfilters with this exclusive coupon.

Updated 5 days ago
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10% off

10% Off Sitewide

Get 10% off your entire purchase of filters and accessories with this coupon code.

Updated 6 days ago
10% off

10% Off Sitewide Discount

Apply this code at checkout to save 10% on any items in your cart from Discountfilters.

Updated 4 days ago
10% off

10% Off Select Items

Enjoy 10% off on a variety of eligible products with this special Discountfilters coupon code.

Updated last week
10% off

10% Off Orders Over $20

Receive 10% off your purchase when your order total is $20 or more with this coupon code.

Updated last week
$5 off

$5 Off Select Items

Save $5 on eligible products from Discountfilters when you apply this coupon code.

Updated last week
15% off

15% Off Your Entire Order

Apply this coupon code at checkout to receive 15% off your purchase of any items from Discountfilters.

Updated 4 days ago
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15% off

15% Off Airx Dust Air Filter 12-Pack

Save on the 16x25x1 Airx Dust Air Filter 12-pack with this special promotional code.

Updated 6 days ago
25% off

25% Off Everything

Redeem this coupon for 25% off any product sitewide.

Updated 5 days ago
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25% off

25% Off Sitewide at Discount Filters

Use this code to receive 25% off your entire order at Discount Filters.

Updated last week
25% off

25% Off All Filters

Enjoy 25% savings on all filter products with this exclusive code.

Updated 4 days ago
Deal

Exclusive Discount for Club Members

Unlock a special saving on your next purchase as a valued club member.

Updated 4 days ago
Deal

Discounts on All Products

Find discounts on all products at Discount Filters.

Updated 6 days ago
About the store

About Discountfilters

DiscountFilters.com is a leading online retailer specializing in high-quality, affordable replacement filters for your home. From refrigerator water filters and air filters to pool and spa filters, DiscountFilters offers a vast selection to keep your appliances running smoothly and your environment clean. They carry filters compatible with major brands like Samsung, LG, Whirlpool, GE, and more, ensuring you'll find the perfect fit for your needs.

With a reputation built on excellent customer service and competitive pricing, DiscountFilters makes maintaining your home's air and water quality easy and budget-friendly. Customers appreciate the convenience of their subscription service, which automatically delivers replacement filters on a schedule you choose, so you never have to worry about forgetting to change them.

Why hunt around at big box stores when you can find exactly what you need at DiscountFilters.com? Maximize your savings by using DiscountFilters coupon codes! Unlock exclusive discounts and special offers to make your purchase even more affordable. Keep your home running efficiently without breaking the bank by taking advantage of DiscountFilters' already low prices and readily available coupons.

Before you buy

Good to know about Discountfilters

How do I use a coupon code at DiscountFilters?

To redeem a DiscountFilters coupon code, simply enter the code in the designated 'Promo Code' box during the checkout process. The discount will be applied to your order total before you complete your purchase. Be sure to check the expiration date and terms of the coupon before applying it.

Does DiscountFilters offer free shipping?

Yes, DiscountFilters typically offers free shipping on orders that meet a minimum purchase threshold. Check the DiscountFilters website for the most up-to-date information on their free shipping policy.

What types of filters does DiscountFilters sell?

DiscountFilters sells a wide variety of filters, including refrigerator water filters, air filters (for furnaces, HVAC systems, and air purifiers), pool and spa filters, and humidifier filters. They carry filters compatible with numerous brands and models.

What is DiscountFilters' return policy?

DiscountFilters offers a straightforward return policy. If you're not completely satisfied with your purchase, you can typically return it within a specified timeframe (usually 30 days) for a refund or exchange. Check their website for specific details and any applicable return shipping fees.

Does DiscountFilters offer any discounts for subscribing to their filter subscription service?

Yes, DiscountFilters often provides discounts for customers who sign up for their filter subscription service. This is a convenient way to ensure you always have fresh filters on hand and save money in the process. Check the DiscountFilters website for current subscription discount offers.

How often should I change my filters?

The frequency with which you should change your filters depends on the type of filter and your usage. Refrigerator water filters typically need to be replaced every 6 months, while air filters may need to be changed every 1-3 months. Consult your appliance's manual and the filter's instructions for specific recommendations.

Are DiscountFilters' filters compatible with my brand of appliance?

DiscountFilters carries filters compatible with a wide range of appliance brands, including major names like Samsung, LG, Whirlpool, and GE. You can easily search for filters by brand and model number on their website to ensure compatibility.