Designed for use with manifolds that have #15 O-ring joints on banks.

• Hi Vacuum valves
• Heavy wall Borosilicate construction

The pre-trap uses two 28/15 ball joints to add more flexibility to the assembly. To ensure quick connections, the pre-trap uses a 57 mm horseshoe clamp and two 57 mm O-ring flanges. A #15 O-ring joint is used to connect to the manifold. The complete assembly includes one brown Viton® O-ring, two #15 O-ring clamps, and one 57 mm horseshoe clamp. Replacement components are all sold separately.