Filtrete 702-4 Pleated Air Filter, 20 in L, 20 in W, 8 MERV, 700 MPR, Fiberglass Frame (Pack of 4)

Filtrete Air Filter, Electrostatic, Pleated, MPR Rating: 700, MERV Rating: 8, Filter Media: Polypropylene, Frame Material: Fiberglass, 20 in L, 20 in W, 1 in Thick