Pressure gauge adapter for coolant lines - 3/8in stainless steel T fitting1、Feature: Tee type construction with a female 1/8‑27 NPT port allows you direct connection to the sensor or gauge to get accurate fuel pressure readings from the source. 2、Practical: The barbed design increase the sealing of adapter and fuel line. The two hose clamps are for installation in tight fittings for a leak free connection. 3、Application: Widely used in fuel lines, transmission coolant lines and carburetor lines, NPT ports are used to install fuel pressure gauges or fuel pressure sensors. 4、Durable Material: Made of high strength 304 stainless steel material, not easy to rust or deform, not easy to rust, corrosion, strong weather resistance. 5、Installation Rcomendation: It is strongly recommended to use special AN adjustable wrenches, thread sealant tape (not included) to prevent leaked, and install hose clamp prevent fall out.