15%OFF
15% Off All Replacement Home Filters
See DetailsExpires 2/24/2025
FILTER15
WaterFilters.net Coupons & Promo Codes
Verified WaterFilters.net Promo Codes & Coupons
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15%OFF
15% Off All Uv Water Filtration
See DetailsExpires 2/24/2025
UV15
15%OFF
15% Off Whole House Cartridges
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SPECIAL15
10%OFF
10% Off First Order
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5%OFF
5% Off Auto Ship Orders
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FREE
Free Shipping w/ $99+
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$5.99 Flat Rate Shipping
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Unverified Promo Codes
These WaterFilters.net 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!
15%OFF
15% Off Your Entire Purchase
Celebrate American Craftsmanship with 15% off your entire purchase! Use code PRESIDENTS15 at checkout.
PRESIDENTS15
20%OFF
20% Off All Fridge, Air, & Whole House Filters
Celebrate Valentine's Day with 20% off all fridge, air, and whole house filters! Make Your Home Sparkle with Love! Bundle & Save 20% on Filters for a Healthier, Fresher Space. Activate with code: HOMELOVE.
HOMELOVE
15%OFF
15% Off Sitewide
Get 15% off your entire order with code SCORE15. Shop now for great deals on refrigerator filters and more!
SCORE15
15%OFF
15% Off Any Brand Air & Furnace Filters
Don't miss out! Get 15% off any brand of air and furnace filters. This offer is ending soon, so stock up now!
AIRFILTER15
5%OFF
5% Off Your Order
Save 5% on whole house filters, advanced water filtration systems, parts, and accessories! This offer applies to a wide range of home improvement items.
SAVE5
15%OFF
15% Off Tier1 & Tier1 Plus Fridge Filters
Enjoy 15% off Tier1 and Tier1 Plus fridge filters. This limited-time offer provides exclusive savings on your next purchase of these essential filters for your refrigerator. Use code TIER15 at checkout to redeem your discount.
TIER15
10%OFF
10% Off Sitewide
Celebrate with a special 10% discount on your entire purchase! Use code SAVE10 at checkout to receive your discount.
SAVE10
10%OFF
10% Off Any Brand Fridge Filters
Get 10% off any brand of refrigerator filters. Use code FRIDGE10 at checkout to redeem this offer.
FRIDGE10
20%OFF
20% Off Whole House Cartridges
Save 20% on whole house water filter cartridges for your home. This offer is available for a limited time. Get crystal-clear water throughout your entire house at an affordable price. Check out the large variety of whole house cartridges to find the right one for your needs.
WHCART20
15%OFF
15% Off Fridge Filters
Click through and tap 'copy & go' to score 15% off fridge filters at WaterFilters.net. Code valid now through January 5th.
FRESHSTART15
FREE
Free Shipping - No Minimum
Shop online and save throughout the site at WaterFilters.net with this promotion code when you check out. Valid now through December 29th.
HOLIDAYSHIP
15%OFF
15% Off Sitewide
Shop online and save throughout the site at WaterFilters.net with this code when you check out. Valid now through December 22nd.
HOLIDAY15
20%OFF
20% Off All Tier1 Filters
Save 20% off all tier1 filters when you enter this WaterFilters.net coupon during checkout. Valid now through December 15th.
TIER1HOLIDAY
10%OFF
10% Off Sitewide
Shop online and save storewide at WaterFilters.net with this code when you check out. Valid through December 15th.
HOLIDAYPREP
15%OFF
15% Off USWF Products
Good through November 17th. Redeem 15% off uswf products when you use this coupon code at checkout.
VETERANS15
25%OFF
25% Off Pool & Spa Filters
Valid through September 30th. Receive 25% off pool & spa filters when you use this WaterFilters.net promotional code at checkout.
FLASH25
25%OFF
25% Off Your Next Purchase
Celebrate your first order with a 25% discount on your next purchase! Valid on everything.
NEW25
20%OFF
20% Off Your First Order
Grab 20% off your first purchase with us! Enjoy savings on a wide variety of items.
FLASH20
15%OFF
15% Off All Fridge Filters
Click through and tap 'copy & go' to redeem 15% off all fridge filters at WaterFilters.net. Promotional code valid now through today.
ALLFRIDGE15
15%OFF
15% Off Berkey Systems + Free Shipping
Get 15% off berkey systems + free shipping when you enter this WaterFilters.net promotion code during checkout. Expires today.
BERKEY15SHIP
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