The Ocean Clear Model 317 Canister Filter with Polystrand Triple Micron Filter is for mechanical filtration.Features:Contains a polystrand triple micron filter: 3 densities of polystrand media from a 100 micron pad at the top to a 50 micron section at the bottomIncludes 30 psi pressure gauge and full-flow grid Filter body: 13" wide X 11" tall. Needs 12" clearance above the canister filter for cartridge removal.3/4" FNPT inlet/outletIncludes 3/4" and 1" hose adapters, teflon tape for fittings and drain valveFor use with pumps up to 1200 gphDoes not include pump, hose or a method for connecting the filter to your tank. We highly recommend using the Inland Sea Suctions and Returns with the Ocean Clear Filters, and we carry several models of aquarium and pond pumps. Product Manual (pdf format in new window)