Powerful Practicality---Professional manufacturing, strictly follows the factory quality control, 1/4in valve tee adapter has high quality, good replacement part on the market, it very perfectly fitting to have on your truck, to install pressure gauges or to hookup vacuum pump. Easy Operation---The quick coupler access tee is easy to operate and install, has a strong seal and is not easy to leak, durable and safe. Save your time and effort. Give you more time to do other thing, make your life more convenient. High Quality Material---Quick coupler access tee is made of premium brass material, anti rust, wearproof, sturdy structure, high temperature resistant, not easy to break. Have a longer using life than iron and iron galvanized products. Convenient Use---One end of the valve core tee adapter is a female 1/4in SAE flared FFL with a built in valve core, another two ends are 1/4in SAE male thread flare MFL. You don't need many complex tools during installation, you can handle it all by yourself. Wide Application---Quick coupler tee adapter is extremely suitable for R22 R12 R134, or vacuum gauge, has high reliability and stable performance, practical in use. Applicable in residential and commercial usage, is a good helper of your life.