Filterbuy 21.5x23x1 8 Pleated Furnace Air Filters (4-Pack)

21.5x23x1 air filters for your furnace, air conditioner, heat pump, or system Actual size (exact dimensions): 21.5 x 23 x 1 inches (4-Pack) 8 electrostatic media ( 600, 5) protects against 90% of particles Pleated design traps more airborne particles and lasts 3x longer than fiberglass All industrial-grade components are made in the and designed to be recycled