Whale BP0527 Mark V Manual Sanitation Pump, Bulkhead Discharge, 1½-Inch Hose Connections, Maximum of 17.5 GPM (70 Strokes Per Minute)

Reliably provides efficient pumping of black waste from toilet or holding tank to through-bulkhead discharge Durable and rugged makeup to deliver long-term reliable performance in demanding marine environments Features robust marine-grade construction, including odor-proof seals Wide 1 ½-inch hose connections virtually ensure there will never be any blockage Features easy maintenance, with an inspection port that is removable with no tools required Has a maximum flow rate of 17.5 gpm (based on 70 strokes per minute)