This flow meter will tell you how much water you have used and what you have left no holes in the tank this unit goes inline ..
we can supply you with all the fittings you need to finish your project just let us know the sizes etc poly riser for internal pick ups
For a quick and easy way to connect your grey or black water hoses with these cam lock fittings just quick and easy .
Ball valve in all sizes just let us know what sizes you need
for those who want a large filler
these will do the job.