Whale has led the way in manual diaphragm pumps for the marine world for decades.
The Mk 5 sanitation is a reliable fully housed black waste pump - reliability when you need it most
Features and Benefits
Can be mounted in various orientations/positions
Tough plastic housing keeps in nasty smells
Large virtually unblockable valves
Easy to clean (no tools required)
High performance- 56 ltrs (14.8 US gals) per minute
Wide hose connections for maximum performance - 38 mm (1+")
Lightweight design for easy operation
WARNING: 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.
Boat Outfitting
WARNING: 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