EVICLEAR WRAS Approved 1/2" Clear PVC Cap. Designed to take 1/2" Pipe - which has an outside diameter of 21.4mm.
Imperial Clear PVC End Cap
Please note that clear PVC pipe has a slight blue / greyish colouring to it and so should not be expected to be 100% optically clear. Clear pipe and fittings are often used for sight glasses, process examination and demonstration units. Other clear caps, up to 8" are also available on request.