Filterbuy HVAC Air 13 16x21x1 AC Pleated Furnace (2-Pack) Filters MERV

16x21x1 air filters for your furnace, air conditioner, heat pump, or HVAC system Actual size (exact dimensions): 16 x 21 x 1 inches (2-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