Reduced installation and maintenance cost.Eliminates the need for additional fitting to make perfect 90-degree turns.It’s used for several benefits, including reduced vibrations, reduced potential leaks, and maximum protection from rigid, abrasive stud edges. Some of the Pex bend support comes with nails to ensure support to the surface below. Bend support also eliminates the need for an elbow fitting. It brings the bend pex pipe to the tightest possible 90-degree turn without creating folds or crimps. It’s a ¼-turn plastic or metal device that creates a smooth 90-degree turn with bend pex tubing. But to make the bend perfect and secure the bend pex pipe in place for the 90-degree turn, you need the Pex Bend Support. Pex is an amazing material for making 90-degree turns when doing the piping job.