A+2000 Washable Electrostatic Permanent Custom Air Filter - 11 3/4" x 11 3/4" x 1" Quantity:Default 28X Increased Efficiency

28X Increased Efficiency

To find the size the old unit should have sizing information printed on it

This is a 5" MERV 10 HIGH PERFORMANCE AIR FILTER

and the greater the pressure drop it creates

A+2000 Washable Electrostatic Permanent Custom Air Filter - 11 3/4" x 11 3/4" x 1" Quantity:Default 28X Increased EfficiencyYou may know them as washable air or even permanent air filters; some just refer to them as electrostatic filters. Either way, the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products, built to last a lifetime. Unlike some permanent custom air filters, the A+2000 uses no foam that may clog, degrade and restrict air flow, so it can provide a lifetime of dependable service. And there are no metal parts that could