DiscountFilterStore.com: genuine and Tier1 fridge, water and air filters

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DiscountFilterStore.com is a US online shop for replacement filters. The range covers refrigerator water and air filters for Whirlpool, EveryDrop, Frigidaire, LG, Samsung, GE and more, plus under-sink and countertop systems, reverse osmosis, shower and faucet filters, pool and spa cartridges, and HVAC and furnace air filters in 1-inch to 6-inch depths.

It suits homeowners and renters who need a replacement fridge filter without paying appliance store prices, as well as pool owners, RV owners and anyone replacing furnace or AC filters. Alongside brand-name filters, the store sells its own comparable Tier1 and Tier1 Plus filters, which cost noticeably less, and there's a search box where you can enter your filter's model number to find the right fit.

What's worth a look

Here are six fridge filters to compare, from genuine EveryDrop to Tier1 alternatives.

EveryDrop EDR4RXD1 (Filter 4) Refrigerator FilterGenuine filter for Whirlpool, Maytag and more$60.82View at DiscountFilterStore.com 4396508/4396510 Whirlpool Comparable Refrigerator Water Filter Replacement By Tier1CSA certified alternative to the EDR5RXD1$18.90View at DiscountFilterStore.com LT700P LG Comparable Refrigerator Water Filter Replacement By Tier1Budget replacement for LG fridges$12.94View at DiscountFilterStore.com DA29-00020B Comparable Lead and Mercury Reducing Filter By Tier1 PlusNSF certified lead reduction for Samsung fridges$27.29View at DiscountFilterStore.com W10311524 Whirlpool FreshFlow Refrigerator Air FilterKeeps fridge odors down; 4-packs cost less each$11.25View at DiscountFilterStore.com Refrigerator FiltersGenuine and Tier1 filters for every major brandFrom $4.66View at DiscountFilterStore.com

The price gap between genuine and comparable filters is the main reason to shop here. A genuine EveryDrop EDR4RXD1 (Filter 4) is $60.82, while the Tier1 replacement for Whirlpool's 4396508/4396510 (EDR5RXD1) filter is $18.90, and the store describes it as CSA certified. For LG fridges, the LT700P comparable filter by Tier1 is $12.94. If you're concerned about lead, the DA29-00020B comparable filter for Samsung fridges is a Tier1 Plus model that's NSF certified for lead and mercury reduction, at $27.29.

The store also sells EveryDrop's grouped ice and water filters and genuine Samsung filters, so you can stick with the original brand if you prefer. Don't forget the air side of the fridge. The Whirlpool W10311524 FreshFlow air filter is $11.25 and, the store says, works 15 times better than baking soda at absorbing odors. The full refrigerator filters collection also carries Made in USA options and air filters for Frigidaire and Electrolux fridges.

Current offers

• Free shipping on most orders over $75.
• Multi-packs cost less per filter: the W10311524 air filter drops from $11.25 for a single to $9.55 each in a 4-pack.
• Most refrigerator filters have lower per-filter prices in 2, 3 and 4-packs: the Tier1 Plus DA29-00020B goes from $27.29 to $24.84 each in a 4-pack.

How to save more

• Buy a year's worth at once. Most fridge filters come in 2, 3 and 4-packs at a lower price per filter, and a bigger order also helps you reach the $75 free shipping threshold.
• Compare the genuine filter with the Tier1 or Tier1 Plus version for your fridge model. On the filters above, the Tier1 options cost a fraction of the genuine EveryDrop price.
• Search by your exact filter model number before you order, so you don't end up paying for return shipping on the wrong part.

Products, prices and offers checked on the store's own website on 4 Nov 2026. Prices and stock can change.

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