Description: Replacement Screwon Cap suit most Poly Tanks - with Security Clip
Poly Tank Filler Cap & Flange
Description: Filler Screw Cap and Flange suit most Poly Tanks
Can be fitted into Poly Tanks as an additional or alternative filler. Requires a 40mm hole be cut in the desired location. Then insert new filler with sealant and screw into place using self tap screws.