merv 8 4inch Size:20" x 20" x 4" preferably outdoors

preferably outdoors

It is especially ideal for older electronic air cleaner cabinets

TYPICAL STATIC PRESSURE DROP (in

purchase Aprilaire

Carbon and potassium permanganate VOC postfilter for HEPA air cleaner

merv 8 4inch Size:20" x 20" x 4" preferably outdoorsHigh Capacity Pleated Air Filter featuring mechanical MERV 8 performance at a very low, energy saving pressure drop setting the standard for performance. Mechanical media does not rely on a static charge to achieve efficiency rating Low pressure drop up to 50% lower than comparable products. This means a significant reduction in operating resistance which equals energy savings 28 point die cut frame with diagonal supports bonded to the media pack for