Attwood 800 GPH Shower Sump MK2 System - 12V [5143-4] Trailering | Bearings/Hubs/Brakes 21 can be used to

21 can be used to create a 4:1 purchase system to aid in lifting heavier objects and decrease the load on the rope

MegaPress 316 FKM 1-1/2" Flange

smaller boats and sport boats

or are otherwise not suited for other tank level sensing technologies

Attwood 800 GPH Shower Sump MK2 System - 12V [5143-4] Trailering | Bearings/Hubs/Brakes 21 can be used to800 GPH Shower Sump MK2 System 12V Attwoods shower sump systems deliver the performance youve been asking for. Choose from standard or large box sizes. They offer fast water flow into and out of the sump. The lid snaps into place to allow quick installation (and removal for cleaning) and includes a gasket to seal the sump box against overflow. The sump box even includes an air vent to prevent airlocks. It meets or exceeds all applicable standards of