Fluval Sea CP2 Circulation Pump's spacesaving and innovative design provides many outstanding benefits: it minimizes tank intrusion, improves energy efficiency, and creates a smooth broad stream of ocean-like current. Unlike other pumps, this efficient circulation pump broadcasts output to assist corals with a gentle, indirect current. Key Features : Simulates natural reef currents Adjustable flow direction Exceptional hydraulic performance with the lowest energy consumption/LPH ratio Super quiet compared to most models Safe to use with timer system (will not cause pump failure unlike many competitive models Secure, flexible aquarium mounting Compact, efficient, easy maintenance Gentle, even flow compared to many competitors Super compact compared to equivalent models Flow Rate:1600 LPH/425 GPH For Aquariums up to 100L (25 US Gal) Size: Length 9 cm x 6 cm dia 4 watts Other models available : 14345 Fluval Sea CP1 Circulation Pump 14347 Fluval Sea CP3 Circulation Pump 14348 Fluval Sea CP4 Circulation Pump