We are always adding New Items in Our Hot Deals Tab!!! Edit My Account | Order History | View Shipping Costs | View Shopping Cart | Login Shopping Categories > Analyzers > Analyzer Accessories Barb Adapter w/18 inches of clear tubing Always carry a spare testing adapter with you! Cheap insurance for those times your knob is lost, mis-placed or broke! Use with the Maxtec analyzers only Piranha's Price: $10.99