Rule 7700D GPH Evacuator Pump - 12VRule's latest Evacuator Pump is ideal for fast evacuation of water from a vessel. Long a favorite of tow boat operators, the 7700D is comprised of two 4000-gallon-per-hour pumps in tandem, with a net volume at open discharge is 7700 gallons per hour. No more hoping to start a gas-powered "crash" pump.  Just connect the two sets of power leads to a 12v battery and the pump starts working. A 3" discharge hose is required in this application.Features:High-capacity 12V Utility PumpUp to 7,700 GPH (29,148 LPH)Built-in backup: each pump can operate independently if necessary3" Barbed discharge portLong power lead, ideal for setting up quick connections to power