Install your own workshop compressed air ring main quickly and easily with the CAS system of fast fit Speedfit 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 disassembled and reconfigured quickly.;