This condenser has an internal coil that is water jacketed so that vapors condense on the coil as well as on the inner wall of the jacket. The top end has a standard taper outer joint and the lower end has an inner drip tip joint. The hose connections have an O.D. of 10 mm at the middle serration. Available in 250-400 mm jacket lengths with 24/40 or 29/42 joint sizes.