Description
More details on associated web page:
Assimilation Traps
The Assimilation Traps are similar to our Coaxial Foreline Traps in that they are used between the rough vacuum pump and the diffusion (or turbo) pump to prevent backstreaming of oil into the diffusion pump.

O-Rings are available in five different materials from Scientific Instrument Services.

Santovac 5 is the industry standard oil for diffusion
pump.

Available with Viton® or Buna O-ring, this reducing centering ring is for joining two different size NW flanges with a quick flange clamp.

The Assimilation Traps are similar to our Coaxial Foreline Traps in that they are used between the rough vacuum pump and the diffusion (or turbo) pump to prevent backstreaming of oil into the diffusion pump.

PVC cord reinforced vacuum hose.
Light weight, low cost, and superior corrosion resistance.
Ideal for mass spec, food, and other applications.

In Stainless and Aluminum.