1.Plastic POM 2.Tube 1/4" Thread3/8" 3.Competitive price, high quality, best service 4.quick fitting ,connector,acceessory. 1)Item Name:Male elbow Adapter plastic pipe fitting 2)Usage:RO machine,water purifier,water fountain quick fitting 3) Light weight, easy to load and unload 4) Good chemicals and drugs resistance 5) Small resistance to fluidity 7). color: the common is the white and the lock is blue, or customer quests. 9)used as quick fitting, push in fitting, ro water purifier parts,reverse osmosis system parts.