View cart “Ss Tubing, 2 mm OD” has been added to your cart. Blanking Nut, Brass$16.00 Blanking nut, brass Blanking Nut, Brass quantity Add to cart SKU: 80013 Category: Spare parts Additional information Additional information Package 10 Related products Add to cart O-ring for bottom of tubes $7.00 Add to cart Unions 6 MB x 6 MB $29.00 Add to cart Rubber Inserts for the Air Line and He & O2 Vent Caps $11.00