Four Seasons manufactures and distributes a comprehensive line of replacement mobile climate control products and is one of the largest mobile compressor remanufacturers in the world. For all standard access type service fittings or ports. Has neoprene seal for use with R 134-A. Sometimes referred to as Schroeder valve. Not to be used for STV, POA valves or oil bleed line ports. For vehicles which have been converted to R134A.
