The MEC Tee Check 1/4 in. x 1/4 in. MNPT Inverted Flare (model ME1700A) is a durable and reliable manifold designed to connect two propane cylinders ensuring that both tanks remain equalized during use. This feature allows for the seamless swapping of tanks without disrupting the flow of propane to appliances. The check valve mechanism ensures proper flow control making it ideal for various propane-powered applications. With two 1/4 in. female inverted flare inlets and a 1/4 in. MNPT outlet the manifold is easy to install and integrates smoothly into existing systems. The unit is built with durable brass construction and features O-rings behind each inlet and a disk check seating into the ROS ring for added security. Commonly used in mobile homes recreational vehicles single appliances and summer cottages the MEC Tee Check manifold provides a practical solution for propane gas management.