Matco-Norca launched its angle copper PEX stub out elbows. Available sizes 1/2" x 3-1/2" x 8", with or without a wall plate, these copper stub-out elbows are lead-free and suitable for potable water applications. Used when transitioning from PEX A and PEX B tubing to copper tubing during the rough plumbing phase, these items are suitable for any new construction job, the company states. PEX ends comply with ASTM F1807.