Filterbuy 18x36x1 13 Pleated Furnace Air Filters (5-Pack)

18x36x1 air filters for your furnace, air conditioner, heat pump, or system Actual size (exact dimensions): 17.5 x 35.5 x 0.75 inches (5-Pack) 13 electrostatic media ( 1900, 10) protects against 98% 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