Check the listing for details. Aquatop Max Flow Power Head Aquarium Pump. Condition: New. Listed at 21.99 USD. Aquatop MaxFlow Power Heads provide optimal water movement with extremely quiet, efficient operation, preventing aquarium water from becoming stagnant. Each system includes an optional venturi air intake with an air regulator for increased aeration, leading to healthier water. Max Flow aquarium power heads are fully submersible and great for use in salt or freshwater. Superior water movement in all types of aquariumsIncludes optional air intake and air regulator for water aerationFor use in fresh or saltwater aquariums Constructed of high impact (strength) ABS plastic, Aquatop Max Flow Power Heads are built to last. Includes: 1) Suction Cups 2) Main Pump Assembly 3) O-Ring 4) Impeller 5) Impeller Bar/Shaft and Grommet 6) Air Intake Regulator 7) Air Intake Tubing 8) Impeller Cover 9) Strainer Adapter Specifications: PH-8: 120V/60Hz - 15 Watts - 3.6 Feet Max Height - 211 GPH Flow Rate PH-16: 120V/60Hz - 25 Watts - 4.3 Feet Max Height - 343 GPH Flow Rate PH-22: 120V/60Hz - 35 Watts - 5 Feet Max Height - 475 GPH Flow Rate PH-35: 120V/60Hz - 45 Watts - 8.2 Feet Max Height - 608 GPH Flow Rate