View cart “O-ring for top of tubes” has been added to your cart. Rubber Inserts for the Air Line and He & O2 Vent Caps$11.00 Rubber Inserts for the Air Line and He & O2 Vent Caps Rubber Inserts for the Air Line and He & O2 Vent Caps quantity Add to cart SKU: 80034 Category: Spare parts Additional information Additional information Package 2 Related products Add to cart Sample Tray And Lid, 96 Positions (Plastic) $4.75 Add to cart Top Fitting+SS Tube Kit for Reduction Tube $46.00 Add to cart Seal for electrovalves $50.00