Pre-Pleat 40 Furnace Filter, 20x30x2-In.
20" x 30" x 2", Pre-Pleat 40 Air Filter, 100% Synthetic, High Dust Holding Capacity & Low Pressure Drop, 2 Piece Heavy Duty Die Cut Frame, Expanded Metal Backing & Diagonal Grid Supports For Maximum Strength, MERV Rating 8, 90 Day Filter.