JAVAC 2-Way Ball Valve Manifold set with Hoses for R290, R600a & R717JAVACs 2 Way Ball Valve Manifold set with hoses for R290, R600a & R717 Javac is a leading manufacturer of professional quality A C manifold gauge sets. Our manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards. At Javac, every manifold we build is built to last. Features: turn Ball valves Large 80mm gauges (PSI F) with easy to read temperatures scales Includes 3service hoses with SAE