Vacuum trap, dual assembly

For use with manifolds having #15 O-ring joints on banks (e.g. M150004). From left to right: first and third valves are S540012 as the shut off. Second valve is S540004 having 9mm O.D. tubing. Fourth valve is S540008. The pre-trap uses two 28/15 ball joints to add more flexibility to the assembly. The post-trap uses a 57 mm O-ring flange connection. The complete assembly comes with one R116 Viton O-Ring, two #15 O-ring joint clamps, one R331 Viton O-ring and one 57mm horseshoe clamp.