¡á Protective Covering : Mesh
¡á Efficiency assured by rigid bakeout and evacuation and control
¡á Evacuation tip completely shielded for increased protection
¡á Weighted bases on all models for stability
¡á Optional full length metal housing on most models for added protection
¡á No pads between walls on cylindrical Dewars eliminating this heat transfer potential
¡á Supplied stopper tops off Dewars to minimize evaporation