Can-Fan Intake Filter 4 in
Can-Filter© Intake Filters are your first line of defense against incoming contaminants. Made with a galvanized sheet steel housing. Easily change MERV-5 filter insert with toggle type fasteners on the top of the filter housing. Comes with a MERV-5 mesh filter that blocks pollen, dust, bugs and other particulate from entering. Available in sizes 4 in. - 14 in.