• Convenient to operate without oil or much noise. • Cylinders and pistons are made of excellent materials, making the pump strong, durable. There is very little wear after long periods of operation. • Will meet many requirements of pumps with air dividers from four to twenty-two outlets. • Widely used to provide oxygen in aquariums, fish farms & hydroponic systems. One year warranty. Eco Plus 1 Specifications: - 18 watts - Single Outlet - 38 Liter/min (1.34 CFM)