This is a 25mm high-quality compression fitting for MDPE pipe. It is suitable for use below ground on cold water services. It has a co-polymer polypropylene body, nut, and thrust ring, acetal grab ring, and nitrile seal. It is highly impact resistant and pressure resistant, tested to 48bar. It is quick and easy to connect - no need to dismantle the connecter or chamfer the pipe. Just cut the pipe, lubricate the seal, undo the nut a few turns, insert the pipe liner/insert, push the pipe in as far as it will go, tighten the nut and its done! It comfortably exceeds the performance requirements of UK Water Bylaws Scheme. Certificate number 0507060.