Filterbuy 18x36x1 MERV 13 Pleated HVAC AC Furnace Air Filters (12-Pack)

18x36x1 air filters for your furnace, air conditioner, heat pump, or HVAC system Actual size (exact dimensions): 17.5 x 35.5 x 0.75 inches (12-Pack) MERV 13 electrostatic media (MPR 1900, FPR 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 USA and designed to be recycled