-Fits Varian and CVC 35″ Diffusion Pumps -Replaced the outer trace cooling tubing with new stainless steel tubing -Replaced the feed through nitrogen leads with stainless steel tubes -Added newParker (TM) fittings for the cryogenic liquid lines. -CryoTraps are used to eliminate diffusion pump oil back-streaming into your vacuum chamber, to produce lower ultimate vacuum levels and to catch volatile evaporated materials from your process that might contaminate the pump oil. -Dimensions: 52″W x 52″L x approx. 24″H. -Weight: approx. 1500 lb.