Koralia 1 Controllable Wave Pump – 180 To 450 Gph
Hydor Koralia 1 Controllable Wave Pump- 180 to 450 gph Hydor. Koralia
12V is a low voltage, Low consumption controllable pump ideal for
water movement in Koralia 1 Controllable, 180-450 gph, 0 6-3.9, 2-1 4?
x 5?. Hydor Koralia #2 12V

Boat Plumbing Pumps: Rule 24-35A Marine Rule 360 Marine Bilge Pump
Rule 360 GPH Bilge Pump. Available in non-auto or float switch models.
An affordable Pump for smaller boats! 3/4″ discharge outlet. 12V.
Non-Automatic 12V w/ Rule-A-Matic Float Switch: Pump is activated when
water level pushes switch upwards.

12 Volt Water Pumps for boating
Using manual bilge pumps to remove liquid from the bottom of boats.
Imagine life before 12V bilge water pumps were invented,having to use
a scoop to remove unwanted water from the bottom of your boat or
Kayak. Thankfully we now have the widespread availability of the
option to install automatic 12v water pumps to perform that task.