Permatron prefilter designed specifically for a upgrading the Honeywell 208536 prefilter. This Permatron static charged filter replaces the standard aluminum mesh prefilter. Constructed from a black electrostatic polypropylene mesh with and expanded aluminum grille embedded in the mesh. The outer frame is galvanized steel.
This 208536 prefilter fits the Honeywell return grille F52F1048. Measures 21-3/4 x 12-5/8 x 5/16". Measure and check your prefilter dimensions.
A quick cleaning of the prefilter is recommended once a month. Simply vacuum or rinse with a hose. Washing the cells would be recommended every 6 months. See brochure for more info.