... DryerMain Technical Parameters:XO-12B Model Branch Manifold Freezing DryerCold trap temperature: <-50°C,-80°C (optional);Vacuum degree ... refrigerating output, enhance water-capturing capability;3. Wide cold trap, without internal coil pipe, sample prefreezing function;4. ... diversion barrels, accelerate drying speed;5. Both cold trap and operation table are made of stainless steel, anticorrosion ...