Shower Drain and Bilge Pump. Robust Single Diaphragm Design Sink & Shower Drain Pump. Flow rate: Nominal 16 Litres/min (4.2 US gallons/min). Self-priming from dry up to 3m (10ft). Features:. Flexible installation. No filter required. Compact and simple design. Dry running capability. Relevant Standards: ISO 8846 MARINE and USCG Regulations for Ignition Protection ISO 8849 MARINE Bilge Pump Standard. Built to ISO 15083 Specification. Meets BSEN 50081 (Electro Magnetic Compatibility). WARNING: This product can expose you to chemicals including FORMALDEHYDE (GAS) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.