The offered MDPE Fittings are very efficient and easy to install in the various places. The MDPE stands for medium-density polyethylene, and is a robust, heavy duty material. MDPE pipes that are used to connect mains water supplies into homes are typically installed in underground trenches dug in virgin ground. These fittings are approved for above and below ground use, and can be used for potable (drinking) water applications with blue and black MDPE pipe. MDPE compression fittings are simple to install. It is less dense than HDPE, which is more common. MDPE can be produced by chromium/silica catalysts, Ziegler-Natta catalysts or metallocene catalysts. The offered MDPE Fittings are very efficient and durable. They are very easy to install.