Aquaclear 70 Power Head Multifunctional Water Pump

Output without air: 1514 L / 400 U.S. Gal. per hour- Output with air: 1317 L / 348 U.S. Gal. per hour- Reverse Flow: 659 L / 174 U.S. Gal. per hour- Recommended Aquarium -- (1 PH) 283 L / 75 U.S. Gal.-- (2 PH) 567 L / 150 U.S. Gal.Adding a powerhead to