Proboat Polyvent Tank Lid Select (See Table Below):PV-201 POLYVENT (DIAKON) SCREW LID - EACH This Lock’s tough heavy duty

This Lock’s tough heavy duty construction makes it a great physical deterrent

When fitted to the battery supply these modules look for sudden increases in voltage then switch into protection mode to absorb and suppress the high energy spike

If you need a pump with 3/8" bop threaded ports please use part number JP-10-35157-3

27mm Go-Fast stripes add a professional touch to any power or sailing boat

Proboat Polyvent Tank Lid Select (See Table Below):PV-201 POLYVENT (DIAKON) SCREW LID - EACH This Lock’s tough heavy dutyThe quick and easy way to inspect, clean and fill water and fuel tanks. Polyvent is a heavy duty watertight tank lid which has these advantages over conventional lids: It is completely transparent. To find out if the tank needs filling or cleaning, all you have to do is look through the lid. It unscrews. So when the tank needs filling or cleaning, you can take the lid off in a few seconds and replace it just as quickly when the job is done. Tanks