You are looking at a set of 3 brand new Add a Control Valve 1/4" SAE Male Flair to 1/4" SAE Female Flair Adapters/Connectors with Manual Ball Valves 2-in-a-set, like Manifold etc. Useful for manifold and other tools with 1/4"SAE connector for recovery and diagnosis, adding oil/dye, etc.! FEATURES: One end, Male 1/4" SAE MFL. Another end, Female 1/4" SAE FFL The swivel Female end come with Schrader/Schreoder (Dill) valve core depressing device to open the valve when fully engaged. Stainless steel ball valve in between to provide the flow control, quarter-turn open to close. Brass body, solid. Serve as manual control valve for any service you want to use your tool for. Durable no hose means Less dead space=less =none-compressible air to the system. 3-1/4 " over all length In stock and ready to ship.2-in-a-set for the selling price. NOTE: the other sizes adapters available: look for model CV23x: 1/4" MFL; CV32x: 5/16 MFL. CV32x 1/4" FFL to 5/16 FFL; make sure you get the right one for your tool. Buy it now for only $24.77, More information Available at http://viot.us/HVAC/ WE SUPPLY HVAC SCHOOLS AND CONTRACTORS! EMAIL ALL QUESTIONS TO JOHN MORE PRODUCTS AVAILABLE Click this link and CHECK THEM OUT! VIOT, located in Champaign IL, is proud to be an alternative source for quality HVAC tools serving the HVAC community for almost a decade . Here is a partial list of what we supply: Vacuum pumps, from 1.5 CFM to 12 CFM, single stage and dual stage, over 10 models to choose from,Clamp meters and multimeters, more functions get the job done easier.Halogen and gas leak detectors, find the hard-to-find leaks and fix it,Manifold Manometer gauge sets and hoses.Refrigerant Recovery UnitRefrigerant Charging Weighing ScalesDigital thermometers, infrared (non-contact) thermometers, HygrometersManifold gauges, manometers for system diagnosisOil and Florescent dye injectorsTubing tools, tube cutters/bendersValve tools, valve core remover/installer, Ratchet wrenches, valve cores and add-on valve/service port.Car AC attaching /recharging tools, quick connectorsTemperature/Humidity sensors and monitoring devices,Motor start/run capacitors, 5 μFD to 50 μFD, dual capacitance available.AC HVAC Tool parts, accessories, etcCheck with us for specials and discounts often. They change from time to time