The JACK-IT® Hydraulic Jack Liner is an alternative to PVC pipe for hydraulic elevator jack installation. It protects the hydraulic system from contaminants, is corrosion resistant, replaces rigid PVC pipe, and is non-conductive. Made from a blend of PVC and PE, it is impervious to chemicals and has specifications including a thickness of 40 MIL and tensile strength of 2900 psi.