Discover the reliable performance of Sweetwater Linear II Diaphragm Air Pumps by Pentair Aquatic Eco-Systems. These versatile pumps are engineered for continuous operation while maintaining whisper-quiet performance. These pumps feature a durable cast aluminum housing and come with 6-foot power cords for convenient installation. These oilless compressors operate efficiently in temperatures between 40-104°F. Each unit is UL listed and CE approved, demonstrating their commitment to quality and safety standards.