Clesse EvoFit Transition Fitting 1 BSP FM x 32mm MDPE - A Top-Grade Connection The Clesse EvoFit Transition Fitting - a 1 BSP Female x 32mm MDPE with a GRP Sleeve - is the real deal for anyone looking at a safe, reliable connection between 32mm MDPE piping and BSP threaded systems. Designed specifically with LPG and gas distribution applications in mind, EvoFit fittings offer a quick leak-proof installation that needs no fancy tools. The built-in C-Clip system keeps the pipe in place, while the nickel-plated brass body provides that extra bit of protection against corrosion and ensures a long service life. Meet the high standards of European manufacturing, this transition fitting hits all the right notes for pros working with underground or above-ground gas pipes where safety and compliance