Merv 13 Pleated Air Filter - 6" x 18 1/2" 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

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

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

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They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

This design enables A+2000 custom air filters to maintain performance over the years

This is designed to fit into 1" Return Air Grilles

Includes one Frame and PACK of 6 pads

from the air stream

some just refer to them as electrostatic filters

Filtering inserts are shipped in an easily stored packet

Unlike some permanent custom air filters