Because at least Gate swimming pool pipe fittings evolution Permeability Biscuit
Intex 2" Swimming Pool Male Adaptor Fitting
Taixinpower 2 Pack 1.25 Inch Diameter 32mm 2 Way Hose Connector Parts Pipe Fittings Water Pipe Extension Joint PP Material, Used for Inflatable Swimming Pool Instead (2 pack1.25 inch 2 way connector) : Amazon.co.uk: Garden
Swimming Pool Pipe & Fittings
Plumbing Fittings & Valves Guide | Pool plumbing, Swimming pool plumbing, Swimming pool house
Swimming Pool 1.5" ABS Pipe - UK Pool Store
Pool Plumbing Pipework - UK Pool Store
How Pool Plumbing SHOULD be put together. - YouTube
Swimming Pool Pipe & Fitting Saver 2" Diameter Pipe Size - UK Pool Store
Swimming Pool ABS Pipe Fittings - 1.5" Socket Union x 5 | eBay