.... > ....Products > HVAC > Galvanized Duct, Pipe, Fittings and Elbows > Base Cans, Plenums, Filter Frames and Filter Bases > Filter Bases > Filter Bases – Fan Coil – 1"-2" and 1"-4" > Filter Base, 16 x 20 in, 22 in L, 17-1/2 in W, 4 in H
