Energy-efficient high volume air pumps great for large or deep pondsMaintains proper aeration for fish health and efficient biological filtrationUse during freezing winters to prevent surface water from icing overHigh volume air pumps inject a steady flow of air even in large or deep ponds. Increases dissolved oxygen levels to ensure fish health, proper biological filtration, and a healthy pond environment. Great way to raise vital oxygen levels during warm summer days when water is less able to hold oxygen. Also use during harsh winters to maintain proper gas exchange and to prevent surface water from icing over. Energy-efficient and quiet operation. Use 5/8" ID flexible vinyl tubing for AP-40, and 3/4" ID flexible vinyl tubing for AP-60 and AP-100 (tubing not included).Features: 6 ft power cord, stabilizing rubber feet, water resistant ABS plastic housing, and a 12 port barbed air diffuser on AP-40, a 14 port barbed air diffuser on AP-60, and a 33 port barbed air diffuser on AP-100. 8" x 10" x 8-1/2". Shelter from weather.ModelWattsPressureMax Volume (Cubic inch per minute)Max Pond SizeMax DepthOutlet SizeAP-40405.8 psi2900Up to 5,000 gallons10 ft5/8"AP-60505.66 psi5500Up to 7,000 gallons9-1/2 ft3/4"AP-1001006.53 psi9150Up to 10,000 gallons11-1/2 ft3/4"Please click on "More Information" for installation and maintenance instructions.

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