Glasfloss Industries ZLP 20x20x1 Z-Line Series ZL MERV 10 Pleated Filter. Case of 12

MERV 10 Performance - Nominal Size 20x20x1 - Exact Size 19-1/2 x 19-1/2 x 7/8 Extended surface, 14 pleats per linear foot Made in the USA Heavy-duty moisture-resistant construction Galvanized expanded metal backing