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Explore our 17 Flex Filters, designed to expand and fit multiple HVAC sizes, making it easy to find the perfect fit for your system. Each filter style is available in two versions—MERV 11 and MERV 13—so you can choose the right level of filtration for your needs. MERV 11 effectively captures common particles like dust, pollen, and mold spores, providing reliable everyday air quality. For even greater protection, MERV 13 offers advanced filtration, capturing finer particles such as smoke, pet dander, and airborne bacteria—ideal for homes with allergies, pets, or anyone seeking enhanced air purity. Finding the perfect filter is simple.

Browse now to see how Flex Filters adapt to your system, ensuring efficient performance and cleaner air.

Flex filter 1 merv 11 and 13

FLEXFILTER 1 MERV 11 AND 13

Fits:

Field Controls, Skuttle, GeneralAIre, Trion, and Ultravation

Adjustable:

Fits both 16 x 20 x 5 and 20 x 20 x 5

FLEXFILTER 2 MERV 11 AND 13

FLEXFILTER 2 MERV 11 AND 13

Fits:

Field Controls, Skuttle, GeneralAIre, Trion, and Ultravation

Adjustable:

Fits both 16 x 25 x 5 and 20 x 25 x 5

FLEXFILTER 3 MERV 11 AND 13

FLEXFILTER 3 MERV 11 AND 13

Fits:

Honeywell Air Filters sizes F100F2028 and F200E1003

Adjustable:

Fits both 16 x 20 x 4 and 20 x 20 x 4

FLEXFILTER 4 MERV 11 AND 13

FLEXFILTER 4 MERV 11 AND 13

Fits:

Honeywell filter models F100F2002, F200E1011, F100F2010, F200E1037. Carrier filter model EZXCAB1016 and Bryant model EZXCAB1020

Adjustable:

Fits both 16 x 25 x 4 and 20 x 25 x 4

FLEXFILTER 5 MERV 11 AND 13

FLEXFILTER 5 MERV 11 AND 13

Fits:

Aprilaire filter model 201 and Aprilaire air cleaner models 2200 and 2120

Adjustable:

Fits 20 x 25 x 4

FLEXFILTER 5.5 MERV 11 AND 13

Fits:

Aprilaire air filter models 1210, 2210, 3210, 4200, 1213, 2120, and 1213

Adjustable:

Fits 20 x 25 x 4

flexfilter 6.4 merv 11 and merv 13

FLEXFILTER 6.5 MERV 11 AND 13

Fits:

Aprilaire filter model 201 and Aprilaire air cleaner models 1310, 2310, 3310, 4300

Adjustable:

Fits 19 X 20 X 4

FLEXFILTER 7 MERV 11

FLEXFILTER 7 MERV 11

Fits:

Aprilaire filter models 2400, 2140

Adjustable:

Fits 16 x 28 x 4

flexfilter 7.5 merv 11 and 13

FLEXFILTER 7.5 MERV 11 AND 13

Fits:

Aprilaire filter models 1410, 2410, 3410, 4400, 1413, 2140

Adjustable:

Fits 16 x 28 x 4

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