This item is suitable for any storage tank with a 6" coarse thread top filling cap.

The 6" Coarse Thread Top Fill Cap is made from strong and durable polypropylene and incorporates a central female BSP fine thread.

There are 6 sizes available:

1/2" BSPF thread

3/4" BSPF thread

1" BSPF thread

1.1/4" BSPF thread

1.1/2" BSPF thread

2" BSPF thread

Select the size you require from the Drop Down Box above.