Zoo Med Power Sweep 212
Zoo Med's Power Sweep is an automatic self-rotating powerhead which creates greater surface agitation allowing a high oxygen exchange rate. Rotating feature breaks down the surface film of dead bacteria which can inhibit oxygen exchange. The Power Sweep is fully submersible and can be used alone or in conjunction with an under gravel filter system. Fits all undergravel stem sizes from 3/4" to 1-1/8". Dual suction cup mount adjusts to all uplift tube positions. Water deflector rotates a full 360 degrees. For fresh or salt water aquariums up to 20 gallons. Pumps up to 125 gallons per hour.