Filtrete NDP03-4S-4 Air Filter, Electrostatic, 4 in Thick, 25 in L, 20 in W, 12 MERV, 1550 MPR, 1/PK livestock-feed-and-supplies--02-04-26 plated and black oxide finished

plated and black oxide finished to prevent rust

Whether you’re chasing daylight or just trying to see where the barn ends

Fits both 3 in and 4 in Schedule 40

Raco THE INSIDER Drawn Fan Box

Filtrete NDP03-4S-4 Air Filter, Electrostatic, 4 in Thick, 25 in L, 20 in W, 12 MERV, 1550 MPR, 1/PK livestock-feed-and-supplies--02-04-26 plated and black oxide finishedAbout This Product Your home should be your sanctuary, starting with the air you breathe. Filtrete healthy living air filters help capture unwanted particles from your household air, contributing to a cleaner, fresher home environment. By proactively capturing dust, bacteria, viruses and allergens, these high performance filters help improve your home's air quality. Highlights Outperforms fiberglass, washable and non electrostatic 3 month pleated 1 in