The narrow low profile compact bilge pump range. Supersub Family - Narrow, Low profile bilge pump fits deep down in small/awkward bilge spaces where other pumps won't fit. Low narrow design for confined bilge spaces Easy installation - outlet and pump body rotate to suit your installation High performance - Flow up to 650GPH. Unaffected by wave motion.  Environmentally Friendly - Mercury Free  Efficient operation - Very low power consumption Low profile strainer - Leaves the bilge almost dry. Drains down to 9mm.  Easy to clean- snap fit assembly Easy to clean – unique clever strainer design Easy to clean – easy to remove and replace for cleaning No Backflow - Integrated non return valve   SS5022 Supersub 650 - Narrow Electric Bilge Pump 12V d.c. with non-return valve Standard for use with a separate bilge switch 12V d.c. 650GPH Narrow Low Profile Pump Mount Submerged in bilge