Product Description Rain Bird grey Self-Piercing Barb Connector Rain Bird self-piercing barbed adaptor can be inserted into any LDPE pipe (from 12mm upwards). These allow the rapid connection of 6mm tubing onto the 4 bar pipe and taking it to the sprinklers/micro-spray or dripper. Features Used to connect ” (6 mm) Distribution Tubing into 1/2″ (12 mm) or 3/4″ (16 mm) distribution tubing Self-piercing barb inlet is easily inserted into 1/2″ (12 mm) or 3/4″ (16 mm) distribution tubing using a Xeriman Tool (XM-Tool) Outlet barb accepts ” (6 mm) Distribution Tubing (XQ). Gray outlet barb indicates unit has unrestricted flow Operating Range Pressure: 0 to 3.5 bar Click for Product Brochure