Ductless Downflow Workstations

DWS Downflow Workstation Features & Benefits

  • Available in 3 standard sizes, in metal or polypropylene construction, totaling 6 models.
  • Wider units, comprising two or more workstations can be positioned side-by-side with junction connections option.
  • Downward airflow protects operator from fume and particle hazards. 
  • Unrestricted front and side access to work area. 
  • A low airflow alarm warns of insufficient face velocity.
  • The Air Science high capacity filters are easy to access, easy to change.
  • A unique filter clamping design eliminates bypass leakage outside the cabinet.


Ductless Downflow Workstations

DWS Downflow Ductless Workstation

Product Features:
DWS lab fume hood

A. Filter I.D. Window: A strategically placed front cover window shows the installed filter part number and installation date for convenience and to encourage timely filter replacement.
B. Control Panel: Electronic controls and displays include switches for the blower, low airflow alarm and electronic hour counter.
C. Airflow Alarm: Low airflow alarm continuously monitors filter loading and alerts user when service is needed.
D. Steel Support Frame: The chemical resistant epoxy coated steel frame adds mechanical strength. Optional all polypropylene construction is available if desired; see accessories. 
E. Work Surface: Under the perforated stainless steel internal work surface is a polypropylene tray to retain any spillage.
F. Electrostatic Pre-Filter: The electrostatic pre-filter is accessible from inside the chamber and 91% effective down to 1-3 microns. 
G. Filter Door Key: Filter access keys prevent unauthorized removal or accidental exposure to dirty filters.
H. Internal Manual Speed Controller: The operator may set the centrifugal fan motor speed as desired.
I. Internal Fluorescent Lamp: A vapor proof fluorescent lamp illuminates the interior of the workstation.