Automatic critical point dryer. 0.4 um internal filtration system delivers clean filtered LCO2 to process chamber. Under-lit chamber with viewing window facilitates operator chamber status viewing. Efficient adiabatic CO2 cooling system, capable of cooling the chamber from ambient room temperature to near 0C, in less than 1 minute and maintain temperature automatically during both FILL and PURGE modes. Process Chamber size: 1.25" I.D. x 1.25" Depth.