over 85,000 5-star reviews

Banish irritating indoor allergens with the ultimate allergen filter

OVER 4 MILLION FAMILIES TRUST FILTEBUY

FREE, Super Fast Shipping

Filterbuy's MERV 11 filters are designed for maximum allergen filtration and 3 months of non-stop performance.

5 reasons why 4 million families
feel the love from filterbuy

over 85,000 5-star reviews

Banish irritating indoor allergens with the ultimate allergen filter

Filterbuy's MERV 11 filters are designed for maximum allergen filtration and 3 months of non-stop performance.

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Every equipment brand has a "Filterbuy companion" for every unique size. Start by selecting your brand below to find the perfect match for your system.

Save Over 50% Per filter

see what customers are saying

Buying 1 filter at a time is super expensive.

Buying 6 filters in a pack at Filterbuy can save you over 50% per filter.

Major Savings, Over 50% Per Filter

Filterbuy's store has near unlimited sizes. You'll find your dimension plus hundreds of more stock sizes.

Your filter is always in stock because we build our filters right here in the USA.

All Sizes, Always in Stock

If you spend $15 or $150, shipping is always free.

Your order arrives fast, and sometimes next day.

Shipping is Always Super Fast, and Free

Help is always a click away.

• Get help choosing the right size.
• Get help with existing orders or returns.

24 Hour Customer Support

Reorder from your Order History with just a few clicks.

Buying filters shouldn't be more difficult than that.

Simple Reordering

made in USA