RS PRO, 20 mm Nominal Diameter, Galvanised Steel, Grey

Black enamelled or galvanised heavy gauge welded steel conduit. Threaded at both ends and supplied with one coupling per 3·75 m length with the choice of 20 mm or 25 mm sizes. A wide selection of fittings and accessories are available to assist in the most demanding or effortless installations.

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.