Made of white polyethylene, standard version with rectangular sections. Suitable for intallation on the central part of the hull or beneath the bow floor. Includes inspection cover and 4 blind thread holes size 1/2” — 1”1/4, wherein the inlet/outlet hose adaptor are screwed on, vent to be ordered separately. Dimensions: 700 x 400 mm. Height: 200 mm. Capacity: 54 l.