Merv 11 Pleated Air Filter - 16 1/2" x 21 1/4" x 1"Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop, and long service life which reduces HVAC equipment maintenance and energy costs. A higher MERV rating means that the air filter that you are about to purchase possesses a higher amount impurity filtration ability than your ordinary filter.

the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products

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Any Kind of Filter's Extended Surface Pleated Filters outperform ordinary furnace filters with medium efficiency and are designed for lower pressure drop

You never have to hassle with disposable filters that will end up in a landfill again

This is designed to fit into 1" Return Air Grilles

oxidation and deterioration

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

You may know them as washable air or even permanent air filters

the A+2000 uses stage loading

The permanent frame is constructed of space-age plastics that are resistant to corrosion

high quality Air Filters to you

Instead of face loading (particles captured on the outer surface of the filter)