Plastic bend supports (glass reinforced nylon) provide rigid, 90 degree bends and sleeving for 3/8 in, 1/2 in and 3/4 in Uponor PEX tubing. The 1/2 in bend support works with PEX wall support brackets (A5750500). Uponor Plastic Bend Support, For Use With: 3/4 in PEX Tubing, Nylon, Domestic