Fluval A402 Air Pump The Fluval A402 Air Pump is a high-output dual-outlet aquarium air pump built for strong, adjustable aeration in freshwater, marine, reef, and planted aquariums up to 160 US gallons / 600 L. Fluval A402 Air Pump for Larger Aquariums Designed for larger systems or setups that require more airflow, the A402 delivers a higher output range while still using Fluval’s quiet baffle chamber, double wall construction, and vibration-reducing rubber feet. High-Output Dual-Outlet Aeration Boosts water movement and oxygen exchange for fish, plants, corals, and beneficial bacteria. Dual outlets support multiple air stones or compatible air-driven aquarium devices. Independent flow control dials let each outlet be adjusted separately for balanced performance. Noise dampening baffle chamber and double wall construction help reduce operating noise. Rubber stabilizing feet and flexible positioning make it easier to place neatly around aquarium cabinetry. Fluval A402 Pump Specifications Item number: A854 UPC: 015561108546 Aquarium capacity: up to 160 US gal / 600 L Wattage: 4W at 120 V / 60 Hz Hose diameter: 3/16 in / 4.78 mm Total output: 87-98 US GPH / 330-370 LPH Outlet: double Noise rating: