Polypropylene fittings should not be used with compressed gas.
Polypropylene fittings should not be used with aromatic hydrocarbons, carbon tetra-chloride, gasoline, hexane, kerosene, nitric acid, sodium hydrochlorite, toluene, trichloroethylene or xylene.
WARNING: This product contains lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.