Upgrade contents: 6mm push-in fitting: Positive click prevents disconnection: Configurable bulkhead fitting: Can be used as a 90-degree fitting or straight to match existing fittings, now more adaptable for space-constrained areas: Designed to prevent over-tightening of copper tube connections: Compatible with standard 1/8 BSP fittings: Note: The new design compression nut is best set using a PZ3 Pozidriv screwdriver: 6mm polymer airline: 50% thicker tube wall: Enhanced for cut and abrasion resistance: Black color: Advantages: Enhanced durability: Improved installation versatility (solves many application issues): 6mm is a common pneumatic standard for fittings and tubing: Fully retrofittable to all Air Locker(TM) units with 3.5mm copper tube seal housings: A full 6mm upgrade kit is also available (Part No. 171321): Black color for easy distinction from the 5mm blue tube:
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