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20 x 25 x 1″ (4) MicroSponge replacement pads – 1 year supply

MicroSponge Electrostatic Air Filter pads composed of a highly effective blend of two new electrostatic polymers which, when combined, magnify dust-trapping capabilities. MicroSponge filter pads have a high stable charge on every individual fiber of the electrostatic air filter surface. This active charge works very effectively in capturing and retaining sub-micron particles.
Features :
MERV 14 rated
MicroSponge has the highest efficiency and the lowest pressure drop of any charged media in the world.
Maintenance: 90 Day Pad life

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