The Pondmaster AP-100 Air Pump is designed to satisfy the requirements of a multitude of water-related applications. All AP-Series air pumps operate on standard 110V electric and come with a 6' power cord. The non-oil lubricated motor is designed to operate efficiently and save energy. For outdoor applications it is recommended that the unit be enclosed to protect it from the elements.Features: MAir volume: 9150 cu.in/min Cord Length: 6 Foot Noise Level: 45 dba Watts: 100 Weight: 16.5 lbs Tubing: 3/4" I.D. Oxygenates ponds and aquariums Promotes a cleaner aquatic environment Promotes healthier fish and aquatic plant life Increases the breakdown of fish waste Diffuser included Not submersible Instructions (pdf format in new window)