Sealey John Guest® 36m 5 Drop Air Supply System Kit 28mm SE CASKIT528Install your own workshop compressed air ring main quickly and easily with the CAS system of fast fit John Guest compressed air fittings. Can also be used for drinking water movement. Made from lightweight yet strong acetal copolymer fittings and nylon pipe runs. Simple push action pipe fittings do away with preparing threaded tubes or applying solvents. Complex pipe and fitting configurations are also assembled more rapidly since the fittings can be