Double Coiled Condenser Provides for Efficient Cooling of Gases. Water Inlet/Outlets Are a #14 GL Thread With a Plastic Hose Barb Connection. Lower Flange is Made to a 50mm O.D. Rotary Shaft is Equipped With a Standard Taper 24/40 Inner Joint and Provides Clamping With the Use of a Keck Clamp. Reservoir Flask is Available in a 500ml or 1000ml Capacity With a 35/25 Socket Joint. Clamping is Provided With a Stainless Steel Pinch Clamp.