These heavy duty, quiet running pumps feature a stainless steel body, long-life motor and mechanical seal, and an anti-clogging impeller design. Rated for continuous duty and the high pressure for a duty cycle of maximum 30 minutes on with minimum 30 minutes off. ISO 8846 Marine ignition protected. Configured with 3/4" Female NPT port threading. 4.4" H x 4.5" W x 6.3" L. GPM 29 Volts 24 Amps 4.5