The transfill tube adapter is intended for connecting cylinders to a manifold or a line of consumption and for  suppling of oxygen, nitrogen, air and other inert gases. Product material Brass, Copper The inlet nut thread G3/4, W21.8 The outlet nut thread G3/4 Length in the unfolded state, mm 1100 The adapter consists of a tube (copper pipe 10×2), to which the inlet nut with a thread G3/4 or W21.8 and the outlet nut with a thread G3/4 are soldered. EF-2 filter elements and gaskets are installed in the fittings and held by nuts.