Zurn QB4PS5X 3/4" x 5" White Zurn Pex Non Barrier Straight TubingZurn QB4PS5X 3/4" x 5" White Zurn Pex Non Barrier Straight Tubing Features: Straight tubing Encrustation resistant No mineral and lime build up like other materials Corrosion resistant Tubing can be installed directly in concrete Resistant to electrolysis and poor quality water Freeze damage resistant Able to expand and avoid costly ruptures Water hammer resistant Absorbs water hammer in flexible pipe walls