Rubber flange with feathered diaphragm and understrap, small, compatible with MK1, MK6 urinal system 0501 25mm (S.G.& P.Payne Ltd)

Rubber flange with feathered diaphragm and understrap, small, compatible with MK1, MK6 urinal system 0501 25mm (S G & P Payne) (physical object)