Cheap And Discounts 5Pc Pneumatic Fittings PG-4-6-8-10-12-14-16mm Straight-through Variable Diameter Plastic Air Hose Tube Push Gas Quick Connection Wholesale. Buy Directly From Merchant Shop1102407865 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.