This product is intended for use with IBC portable water storage tanks featuring a 2" S60x6 coarse threaded outlet, allowing you to connect to a 20mm MDPE water pipe using the provided compression fitting. The kit comprises two components: a cap that securely screws onto the tank thread, featuring a central 3/4" BSP female thread onto which the MDPE elbow compression fitting attaches. The water or irrigation 20mm supply pipe can then be easily screwed onto the fitting for seamless connection.