Top/Bypass Fitting for 18/20 mm Tube$40.00 Top/Bypass Fitting for 18/20mm Tube Top/Bypass Fitting for 18/20 mm Tube quantity Add to cart SKU: 96012 Category: Spare parts Additional information Additional information Package 1 Related products Add to cart Cooling Fan for CE Instruments $50.00 Add to cart O-ring for bottom of tubes $7.00 Add to cart Seals for 26 mm reactors $29.00