Designed for tanks 60-100 gal;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.