Authentic 1/2 in. patented square 90 degree elbow is exclusive to Pipe Decor. Unleash your creativity and bring industrial style into your home with Pipe Decor fittings. Make custom industrial shelves to mount to your wall, towel bars, lamps, coat hooks, tables, desks, and more. Showcase your own unique designs. - 1/2" pipe thread - Malleable iron fitting - For decorative use only - Not for regular plumbing applications - Clean and seal required