DiscountFilterStore.com sells water filtration systems and replacement cartridges, including reverse osmosis, undersink, countertop, whole-house and shower filters, plus refrigerator, air, furnace and pool and spa filters. Current offers include free shipping on most orders over $75 in the continental US, an extra 5% to 10% off Auto-Ship orders with free shipping, and Clean Filter Club rewards with a 100-point sign-up bonus.
10%
OFF Deal
Join the DiscountFilterStore.com email list to get 10% off your order of water, fridge, air or pool filters.
10%
OFF Deal
Choose Auto-Ship on replenishable filters to save an extra 5% to 10% off the regular price on future orders, with free shipping to the contiguous US. No commitment, and you can skip, pause or cancel anytime.
100
Points Deal
Create a DiscountFilterStore.com account to join the Clean Filter Club and claim a 100-point kickoff bonus. Earn 10 points per $1 spent and redeem 100 points for $1 off, 700 points for free shipping or 1,900 points for $20 off.
$71.49
COUNTERTOP DEAL
Shop Countertop Water Filter Replacements at DiscountFilterStore.com with prices starting from $71.49. Explore replacement filter options for countertop systems at the listed starting price.
$166.16
FILTRATION DEAL
Explore Commercial Grade Water Filtration Systems at DiscountFilterStore.com starting from $166.16. Shop filtration solutions designed for commercial applications at the listed starting price.
$3.32
REPLACEMENTS DEAL
Shop Undersink Water Filter Replacements at DiscountFilterStore.com with prices starting from $3.32. Find replacement filter options for your water filtration system at the listed starting price.
$29.98
FILTER DEAL
Find Water Filter Housings at DiscountFilterStore.com with prices starting from $29.98. Explore available housing options designed for water filtration setups at the listed starting price.
$9
FILTERS DEAL
Shop Pool and Spa Filters at DiscountFilterStore.com with prices starting from $9.00. Browse available filter options for pool and spa maintenance at the listed starting price.
$29.98
FILTRATION DEAL
Explore Undersink Water Filtration Systems at DiscountFilterStore.com with prices starting from $29.98. Shop available filtration options designed for cleaner water solutions at the listed starting price.
FREE
SHIPPING OFFER
Get free economy shipping on most DiscountFilterStore.com orders over $75 within the continental US, while orders under $75 ship for a $6.99 flat rate. Some overweight, hazmat and expedited orders are excluded.
These offers have ended, but some codes may still work. Try them at checkout.
10%
OFF OFFER
Save 10% on your DiscountFilterStore.com order with this Summer Savings offer. Unlock the discount and enjoy savings on eligible products. Exclusions apply to Best Deal, Berkey®, HM Digital, Pro Products, and Doulton products.
FAQs
Quick answers for shoppers checking current DiscountFilterStore.com savings on DiscountCrown.
Find 10 verified DiscountFilterStore.com coupon codes at DiscountCrown. Current savings include 10% OFF. Browse active promo codes, deals, and shopping offers updated for Nov 2026.
Use this page to compare the latest DiscountFilterStore.com coupon codes, check offer details, and open the store when you are ready to shop.
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