View cart “Rubber Inserts for the Air Line and He & O2 Vent Caps” has been added to your cart. Unions 6 MB x 6 MB$29.00 Unions 6 MB x 6 MB Unions 6 MB x 6 MB quantity Add to cart SKU: 80017 Category: Spare parts Additional information Additional information Package 10 Related products Add to cart Top/Bypass Fitting for 18/20 mm Tube $40.00 Add to cart Cap for air lines $25.00 Add to cart Ss Tubing, 2 mm OD $70.00