View cart “Ss Tubing, 2 mm OD” has been added to your cart. O-ring for bottom of tubes$7.00 O-ring for bottom of tubes O-ring for bottom of tubes quantity Add to cart SKU: 61103 Category: Spare parts Additional information Additional information Package 10 Related products Add to cart Polyethylene (Blue $66.00 Add to cart Eas Single Channel Station $3,150.00 Add to cart Rubber Inserts for the Air Line and He & O2 Vent Caps $11.00