Design Filtration developed the "CAW" (Clean Air Workstation) to allow any bench top to be converted into a Containment Hood. Our unique assembly process provides for quick lead times and keeps your budget in mind. Our roster of “CAW” benches features the highest quality material, workmanship and exclusive features found on the market today


  • Reduced energy costs
    Helping you reduce energy costs our “CAW” series of clean benches uses a maximum 1.74-amp (4-foot model)
  • Value
    For the cost conscious our “CAW” series are less expensive than most other similar products
  • Portable
    Easily moved to another location
  • Easy Installation
    The slim profile allows for quick, easy installation through most standard doorways
  • Optional Accessories
    We can manufacture your hood with selected options to suit your specific requirements


  • High Efficiency Particulate Air (HEPA) filter rated 99.99% efficient at 0.3 microns
  • Particle free product protection – minimum ISO CLASS 5 conditions
  • Large side windows allows for an abundance of natural light
  • Energy efficient fluorescent lighting
  • Quick change disposable pre-filters – no tools required
  • 2 Year Limited Warranty


  • Knock down base frame
  • Vertical rising or hinged face shields
  • Work zone duplex outlets
  • Minihelic gauge to monitor load on filter
  • ULPA filter for ISO 4 conditions
  • Service valves
  • Assorted interior finishes
  • Stainless steel IV bar
  • UV Lighting


Nominal 2’, 3’, 4’, 6’ and 8’


Click here to download a PDF of the CAW Reverse - 115V cut sheet.

Click here to download a PDF of the CAW Reverse - 230V cut sheet.

A leader in Building Clean Environments

We are very pleased to announce that as a result of a recent merger of Microzone Corporation and Design Filtration Inc., our two companies have become one entity under the name of Design Filtration Microzone Inc.

This is a very exciting venture for both companies, for our employees, customers, distributors and our supplier partners. Our mission at Design Filtration Microzone Inc. is to provide an excellent customer service experience with the unsurpassed knowledge base and the high level of expertise that our customers and distributors have come to expect. This joining of forces has resulted in a more comprehensive product offering including several new equipment lines to be announced in the coming months.


86 Harry Douglas Drive.Ottawa, Ontario
K2S 2C7 Canada

Telephone: 613-831-8318

Toll Free: 888-636-8609

Fax: 613-831-8321