This is a PVC adaptor.\r\nThis would be used with PVC conduit.\r\nThe diameter of this conduit is 20mm.\r\nIt is used to adapt the conduit to your needs.\r\nThis will allow for all your wires to be tuck away neatly, not more ugly trailing wires.\r\nThis is suitable for use indoors.\r\nPVC is a strong and durable plastic, that will continue to work for years to come.\r\nThis PVC adaptor is included in our one year guarantee, as are all of our products on our website electricals247.co.uk.