24/29 Glass Reaction Tube With Side PTFE Stopcock Lab Chemistry Reactor Vessel Made From Borosilicate Glass 3.3. 24/29 Glass Ground Joint Capacity 10ml 25ml 50ml 100ml 250ml 500ml Available 10ml OD 28mm Total Height Approx 90mm 25ml OD 28mm Total Height Approx 120mm 50ml OD 28mm Total Height Approx 180mm 100ml OD 37mm Total Height Approx 180mm 250ml OD 55mm Total Height Approx 240mm 500ml OD 65mm Total Height Approx 280mm