1 Buy = 4 AAPA70L Commercial Aquarium Water Air Pumps! The **AAPA70L** is perfect to run several Waterfarms or multiple air stones at once. Electrical magnetic air compressor in a high quality aluminum alloy case, wear and tear resistant material for cylinder and piston High pressure and high output. Comes with multi outlet divider (6, 8, and 12) that can be individually opened or shut. Get the **AAPA70L** Commercial Pond Air Pump at a great price. VMInnovations is an authorized Active Aqua dealer selling new, warranted products! Please see our other listings, we offer a wide variety of indoor gardening products!