Rated 4 out of 5Â by ShropshireLad does the job nicely
A cheap solution.
Inner ring prevents the joining piece being pushed on too far.
18 Nov 2015
Rated 5 out of 5Â by Poleman Conduit
Does the job required very well - cheap too. Only gave 3 stars for reliability as I don't know how well they will last.
22 Oct 2015
Rated 5 out of 5Â by ShadowsEntity Cheap and cheerful
Strong and have an inner ring so you can't push one length out with the other
18 Sep 2015
Rated 4 out of 5Â by romulus 20mm Conduit Couplings
These are exactly what you would expect for plastic conduit couplings. Its just a pity that they aren't sold in larger quantities with a proportionately lower price'
20 Feb 2015