PrecisionAire Ez Flow II Fiberglass Trimmable Air Filter, 36 x 240 x 1 in. features a blue and white rigid fiberglass construction with a light lamination on the downstream side, making it easy to cut and fit various size applications. This air filter is designed for residential, light industrial, and commercial use, providing effective filtration against household dust, lint, dust mite debris, pollen, and mold spores. It comes packaged in a single carton with corrugated roll-out cartons and is not washable. The filter type is hammock non-electrostatic with a MERV 4 rating and is intended for a life span of one month. Model Number: