ULTRA SILENT submersible circulation pump suitable for use in salt or freshwater aquaria. Rugged pump housing. Power-saving DC motor 24 Volt. Polished ceramic shaft and bearings for quiet operation and low maintenance. Submerged use only. Including pre-filter basket. DC Runner 800: Output approximately 800 L/H. Maximum Head 1.2mtrs. Max Power 10w. L 120 x W 56 x H 82 mm. Hose fitting pressure side - stepped 12/16/19 mm. 2 year warranty.