Filtrete 16x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, 16x25x4, White
Fits systems calling for a filter thickness of 4.31″ and larger.
nadp 01 4 in 4
Filtrete 16x25x4 Air Filter MERV 11, MPR 1000 Micro Allergen 16x25x4, White
Fits systems calling for a filter thickness of 4.31″ and larger.