Precise Irrigation Unit 6 Williams Court Tunnel Way, Pitstone , Beds , LU7 9GJ United Kingdom About Solutions products Companies Precise Irrigation Products Precise Irrigation - 4mm Barbed Fittings Precise Irrigation - 4mm Barbed Fittings From Drip Pipe and Fittings 0 Share A Selection of barbed insertion fittings for use with 13mm i/d, 16mm o/d drip pipe. If the water supply pressure is high (greater than 1.5B) then it is recommended that a retaining clip is fitted. Most popular related searches precision irrigation water irrigator drip irrigation water drip irrigation pressure irrigation pipe fitting irrigation drip precision irrigation irrigation water irrigation pressure drip irrigation Customer reviews No reviews were found for Precise Irrigation - 4mm Barbed Fittings. Be the first to review! Add your review Publish your review Great! review successfully added!