20x22x5 air filters for your furnace, air conditioner, heat pump, or hvac system actual size (exact dimensions): 19.5 x 21.94 x 5.25 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 compatible models: amana / goodman / nordyne filter part numbers (mfah-m, 918737), housing part numbers (ahmac-m, mfah-m, n-mfah-b)
