RS PRO Gasket, Conduit Fitting, 20mm Nominal Size, Rubber, Black

Black enamel or galvanised pressed steel light pattern lids and a black solid neoprene gasket for use with circular boxes in damp conditions

Gasket need to be bought separately.

BS4568

Steel To BS4568

BS4568 Part 2 product finish classification.,Class 2 - Black enamelled inside and outside.,Class 3 - Pre-galvanised sheet steel.,Class 4 - Hot dipped galvanised inside and outside.