Hydor Professional 350 External Canister Filter, 40-75 gal, 225 GPH, Plus 5" Easy Catch Mesh Fish Net Hydor Professional 350 External Canister Filter, 40-75 gal, 225 GPH, Plus 5" Easy Catch Mesh Fish Net No water by-pass; Water is forced through the media baskets, thanks to it's flush design Includes ball-valve connections for simple flow adjustments and easy flow shut off and removal for filter maintenance No noise or vibration, Filter circulation: 240 GPH; Pump output: 280 GPH; Max head: 5.91 ft. Power consumption: 22W; Filter volume: 7.0 qtr.