Danner Mag-Drive Supreme 18 Pump is Specifically designed for the demands of a pond and aquariums, unlike most other pumps on the market. Mag-Drive Supreme 18 are made to run continuously, without seals to wear out. Very low maintenance with an easy-clean pre-filter. Ideal for fresh or saltwater aquariums. May be used in-line or submerged. Specifications: 1800 GPH 115 Volts 60 HZ 145 Watts 1.5 Amps 10 feet cord 1" FPT intake1" MPT outlet Size: 6" x 4 1/2" x 5"