General description This 12 Pcs RO Water Filter Accessories kit includes 90-degree right angle nozzle fittings designed for connecting water pipe fittings in reverse osmosis systems. It is suitable for both hot (up to 140°F) and cold (down to 33°F) water applications. The kit features a hand-operated design that replaces traditional threaded or flanged connections, allowing for easy installation without the need for wrenches. Technical specifications Outer diameter: 6.35 mm (1/4" OD) Maximum water pressure tolerance: 20 bar / 40 kg Material: Food grade materials Color: White + blue Compatibility and accessories This kit is compatible with standard 1/4" OD copper, CPVC, PEX, and PVC tubing, making it suitable for most RO systems. The package includes 12 union elbows, but hose and "C" clips are not included. Installation Carefully cut the PE pipe with a pipe cutter to ensure a flat cut. Unplug the blue board. Insert the PE pipe into the connector (about 15-18mm). Insert the blue card to