For single inlet evaporative coolers. Grooved. Use on MasterCool and AeroCool coolers. Heavy cellulose construction for long life. Fast wet-out. High air velocity. Impregnated with plastic resins and anti-rot agents. Boxed. No. 3437: Size: 40 W x 23 H x 8 D, Material: Heavy Cellulose with Plastic Resins & An, Pkg Qty: 1, Package Type: Box No. 3438: Size: 40 W x 28 H x 8 D, Material: Heavy Cellulose with Plastic Resins & An, Pkg Qty: 1, Package Type: Box

Product Dimensions:

21.00 x 23.88 x 16.68 in

1.00 lbs

Shipping Dimensions:

25.00 x 19.50 x 21.50 in