Purair LF Series, Vertical Laminar Flow Cabinets
Air Science Purair Vertical Laminar Flow Cabinets are a series of high-efficiency products designed to protect equipment and other contents of the work zone from particulates, for applications sensitive to such contamination.

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Great device, recommended.
Electronics assembly
The build quality of the unit was pretty reasonable, given the price. The air quality is excellent of course. Only issue is that if you switch it on with the hard covers fitted, they end up getting blown to the floor.
Review Date: 6 Dec 2021 | Air Science USA LLC
Great product. Excellent customer service experience.
Plant cell tissue culture
I use this hood five times a week. We have not had any problems what so ever. We also have four other hoods in our operation, all different brands, and this is by far one of our best.
Review Date: 24 Jul 2018 | Air Science USA LLC
Purair® Laminar Flow Hoods are a series of high efficiency products designed to protect equipment and other contents of the work zone from particulates, for applications sensitive to such contamination. It is ideally suited for use with non-hazardous contaminants and when flexible access to the equipment in the work zone is desired. At the heart of the Purair Laminar Flow Hood product line is the Air Science Multiplex™ ULPA Filtration Technology that creates a clean work environment over a wide range of applications.
The Use of Colorimetric Tubes to Determine Filter Saturation
Carbon filter monitoring is essential to maintain the safety of personnel using fume hoods on a daily basis. Testing filtered air with colorimetric tubes is an inexpensive and effective method for laboratory personnel to monitor the level of filter saturation in real time. This application note presents Purair advanced fume hoods, with an inter-filter test port specifically designed for sampling tubes.
Horizontal or Vertical Laminar Flow: Which is Best for Your Application?
Air Science® manufactures highly efficient laminar flow hoods that protect equipment and other contents of the work zone from particulates. These products presented in this application note are ideally suited for use with non-hazardous contaminants and when flexible access to the equipment in the work zone is desired. But which is best for your application?
USP 797 Compliance in the Laminar Flow Workstation
This application note presents a variety of Air Science cabinets that meet the stringent standards required by the pharmaceutical compounding community. USP 797 compliance focuses on practices that prevent harm or death to patients, due to microbial contamination, excessive bacterial endotoxins, variability in the intended strength of correct ingredients, unintended chemical and physical contaminants, or ingredients of inappropriate quality.
Purair Ductless Technology and USP 800 Compliance Creating a better C-PEC
This paper discusses the design and construction features of a set of engineering controls, collectively known as containment primary engineering controls (C-PECs), for hazardous drugs in healthcare settings. Biological safety cabinets and fume hoods in particular will be examined to identify the features that most effectively prevent exposure and meet USP 800 requirements.
Horizontal vs Vertical Laminar Flow Hoods
Choosing Your Laminar Flow Hood Doesn't Have to be Confusing




















