Product Intelligence: Ductless Fume Hood Selection Guide

This article features ductless chemical fume hoods, which function by recirculating air from the workstation and then back into the work environment. Advantages of the ductless fume hood include its portability, simple installation, environmental friendly operation, and the fact that it needs minimal maintenance. Important points to remember prior to purchase are retention capacity of the filters, whether the fume hood filter will be able to adsorb particulates and vapors, and if the material of the fume hood can handle the chemicals used. Saturation of the filters, sash openings, and the need for multiple or special blended filters are additional considerations.

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