Furnace Filter, Pre-Pleat 40, 20 x 20 x 4-In. Pressure Regulator trench coat in heavyweight PVC

trench coat in heavyweight PVC with a snap closure front and a detachable drawstring hood

For use in exposed locations only to connect water heaters and other water connected devices to the water supply

Easy connect couplings

The aluminum 23 terminal ground bar kit is used in Square D load centers

Diamond plate exterior for rugged appeal

Furnace Filter, Pre-Pleat 40, 20 x 20 x 4-In. Pressure Regulator trench coat in heavyweight PVC20" x 20" x 4", 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, effective against pollen, dust lint, dust mites, pet dander, mold, bacteria, virus carriers.