Side access housings are available to accept either bag or cartridge filters. Standard housings come with a 2" prefilter track and a 1" final filter track for filters with a header. Cartridge filters without headers have either a 6" or 12" track for the cartridge and a 2" prefilter track. Housings can accept bag filters ranging form 12" to 36" in depth. The housings are available in a variety of heights and widths. Standard construction includes hinged, gasketed access doors with positive lock latches, and 1" flanges for easy installation. Housings are available in either 16 gauge galvanized or stainless steel.