Juzer Engineering & Co offers adjustable coolant systems manufactured by Frank Phoenix International Corporation, Taiwan. Jetlon adjustable coolant hoses, valves and fittings are manufactured in Dupont 100P Acetal resin, which is chemical resistant to petroleum products, coolant and most common chemicals. Certain valves are available in acid resistant polyester composition. Jetlon adjustable coolant hose offers four different diameters of hoses with valves, different types of nozzles, fittings and manifolds. These adjustable coolant hoses and fittings are well designed for low pressure applications. Maximum pressures for the hose system vary with the length of the hose, the diameter of the selected nozzle and the bending angles.