G-Line | G-Flex | G-Max hose and fittings have outstanding resistance to pressure, much higher than that of conventional convoluted PTFE lined hose. The G-Flex hose is a revolution within our industry. Constructed of a fully crimpable, convoluted PTFEcore with a carbon impregnated static dissipation liner (impervious to virtually all chemicals) and covered with black aramid fiber or high tensile 304 stainless steel braid.