EcoPlus ECOair2 Adjustable Air Pump 126 GPH - 3 Watt with Two Outlets, Grey/Black Description Widely used in hydroponic systems. Convenient to operate without oil or much noise. Cylinders and pistons are made of excellent materials, making the pump strong and durable. Will meet many requirements of pumps with air dividers from four to twenty-two outlets. Features: Ideal for indoor gardening and hydroponic applications Dual chamber oscillatiing pump for high output and stable pressure High enery efficiency Double damping noise reduction system for quiet operation Heavy duty water resistant housing Product Details: Color: Grey/Black Brand: EcoPlus Power Source: Corded Electric Operation Mode: Automatic Product Dimensions: 5.4 x 7.7 x 3.6 inches Item Weight: 1.4 pounds Manufacturer: Hawthorne Hydroponics, LLC Country of Origin: USA Item model number: HGC728360 Is Discontinued By Manufacturer: No