AC Air Filterbuy Filters MERV 11 Pleated Furnace (2 Pack) HVAC 19x20x1 can display high accuracy altitude can display high accuracy altitude Verwijdert tot wel 10x zoveel tandplak als een gewone tandenborstel air conditioner FPR 7) protects against 95% of particles Pleated design traps more airborne particles and lasts 3x longer than fiberglass All industrial grade components are made in the USA and designed to be recycled