Fantech Hood Riser MERV8 Filter, Galvanized Steel

Hood Riser MERV8 Filter, Galvanized Steel The FML6R maintains the minimum recommended distance of the inlet air from the ground when the ventilation system is installed in the basement yet the grade surrounding the building is close to the ground floor. The air is filtered at the entrance of the outdoor air duct, reducing dust and particles from soiling the duct system and the ventilation system. Supplied MERV8 filter captures 70% of particles down to 3 microns. Most molds are 10 microns Easy maintenance Standard filter size allows you to use commonly available replacement filters of various grades