AAF Flanders 18 in. x 18 in. x 2 Prepleat 40 MERV 8 Air Filter (Case of 12)

This is a rugged, industrial grade disposable pleated air filter. It features a synthetic fiber filtering medium that is laminated to an expanded metal backing. This combination is then folded into an accordion pleat arrangement to increase filtering surface. This greater filtering surface allows more effective filtration while keeping airflow resistance low.|MERV 8 rating|Moisture resistant die-cut frame|Metal pleat backing|UL class 2|Filters bacteria, dust, mold, and pollen|1-sided expanded metal backing