With its powerful push lock technology, your job will be done in record time. Cut, repair or install HDPE pipe in record time. Blu-Lock® 1 in. fittings are compatible with all SIDR 15 and 19 HDPE pipes. Designed from the ground up to be the best. The Hydro-Rain Blu-Lock® swing fittings have the highest burst pressure, highest flow rate and fastest install speed. The 1 in. Blu-Lock® fittings cut installation time in half. From the valves to the head, nothing installs faster or holds better than Blu-Lock®.