DFMZ is pleased to introduce our new, state-of-the-art BK3 Series 4’- and 6'-wide Biological Safety Cabinets. These cabinets provide excellent user, product and environmental protection as defined by NSF-49 and are suitable for use in Biosafety Levels 1, 2 and 3, as well as other applications where the control of airborne particulates and aerosols is critical. The BK3 Series is fully loaded with many standard features including motorized front sash and LCD control panel.


  • Class II Type A2 design is NSF-49 listed
  • Hinged front access panel for easy servicing of electrical and mechanical components with gas spring assistance
  • Large work volume with one-piece electroplated #304 stainless steel interior liner with coved corners
  • Ergonomically designed and comfortable front air foil
  • Vertical raising sash is a dual laminated, UV resistant safety glass, sloped at 10° for reduced glare, operator comfort, and to maximize reach into the work zone for cleaning
  • Exterior shell of cabinet is constructed of welded CRS and finished with an anti-bacterial treated powder coated paint


  • Energy efficient ECM motor with soft-start operation
  • High Efficiency Particulate Air (HEPA) filters for the supply and exhaust air are rated 99.999% efficient at 0.3 microns (ISO Class 5 conditions)
  • Motorized vertical sliding sash can be operated on LCD control panel or with the remote control provided
  • Auto-stop feature at designated sash opening height and alarm indicators when sash is at unsafe working height
  • Sash is fully interlocked with both the supply fan and the UV light
  • Energy efficient LED task lighting
  • Germicidal UV light
  • Stainless steel IV bar complete with 10 IV hooks
  • Two duplex electrical outlets on back panel
  • One GAS service fixture with localized operator on left side panel
  • One capped penetration in left side panel for installation of future service fixtures
  • Large LCD display complete with ON/OFF functions for blower, lights, UV timer, sash height control, and electrical outlet. Includes remote control unit
  • Display shows filter life indicator and abnormal airflow conditions or filter change complete with audible and visual alarms and mute button. Auto resets in the event of a power failure.
  • 5 Year Full Warranty (Parts & Labour)


  • Heavy-duty steel support frame finished with anti-bacteria powder coat paint available for 30” or 36” high work surface height and complete with set of four Roll-N-Set type casters with adjustable leveling feet
  • Hydraulic adjustable height base stand with electric assist or manual operation
  • Additional service fixtures (GAS, AIR or VACUUM)
  • Exhaust transition and airflow alarm monitor for vented applications


  • 4' Models: BK3-4 with 8" window & BK-3-4 with 10" window
  • 6' Model: BK-3-6 with 10" window


Click here to open a PDF of the Biological Safety Cabinet 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