Ocean Clear Model 340 Canister Filter with Pleated 25 Micron Filter and Bio-Core Filter is for mechanical and biological filtration.Features:This multi purpose canister filter system comes with a 25 micron, 40 sq ft filter cartridge and a 50 sq. ft. polystrand bio-core for biological filtration in the center. The 25 micron polyester filter cartridge filters the water and the bio-core provides a wetted surface area for nitrifying bacteria to eliminate toxic ammonia..Includes 30 psi pressure gauge and full-flow gridFilter body: 13" Wide X 11" Tall. Needs 12" clearance above the canister filter for cartridge removal3/4" 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)