MK5 Manual Sanitation Pump Thru Deck MountWhale has led the way in manual diaphragm pumps for the marine world for decades.The MK5 sanitation is a reliable fully housed black waste pump - reliability when you need it most.Features:Can be mounted in various orientations/positionsTough plastic housing keeps in nasty smellsLarge virtually unblockable valvesEasy to clean (no tools required)High performance- 56 ltrs (14.8 US gals) per minuteWide hose connections for maximum performance - 38 mm (1+_)Lightweight design for easy operationIdeal for use in conjunction with Whale's robust and durable Diverter Valve 1-1/2 portsWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.