ULTRA SILENT due to Optimized Control Electronics. Circulation pump suitable for use in salt or freshwater aquaria. Includes controller for adjusting the water output. 0–10V-connection for external control. Rugged pump housing. Power-saving D/C motor 24 Volt. High efficiency. Polished ceramic shaft and bearings for quiet operation and low maintenance. Submerged and non-submerged use is possible. Including stepped hose fittings. DC Runner 9.2: Output 8 step adjustable up to 9000 L/H. Maximum Head 4.80 mtrs. Max Power 65w. L200 x W105 x H180mm. Stepped hose fitting suction side 40mm/32mm. Stepped hose fitting pressure side 40mm/32mm. 2 year warranty.