NACX 1/4" OD x 3/8” Thread Elbow Quick Push to Connect Check Valve for Reverse Osmosis System, Water Purifiers water filters, 6Pcs

["Made of high quality POM material, safe, non-toxic, healthy and durable.","1/4\" to 3/8\" thread elbow pipe quick connection check valve; Tube Size (OD): 6.4mm / 1/4”; Thread Size: 9.7mm / 3/8”.","Quick connect fittings are used to provide quick, make-break connections for fluid delivery lines.","The latch free design of the check valve makes it easy to install and easy to operate without any tools, and the push connection accessories provide easy DIY installation and just push in to connect.","Water line adapters are used in reverse osmosis water filtration systems, beverage distribution systems, and can be used in water dispensers, ice makers, coffee makers, etc. Widely used in RODI systems, pipe or drip irrigation systems."]