The Purair® Advanced Series ductless fume hoods are a series of high efficiency products designed to protect the user and the environment from hazardous vapors generated on the work surface. At the heart of the Purair ductless fume hood product line is the innovative Air Science® Multiplex™ Filtration Technology that creates a safe work environment over the widest range of applications in the industry.

Features and Benefits
Purair Advanced ductless fume hoods and chemical processing workstations are available in 7 standard sizes, in metal or polypropylene construction, totaling 14 standard models.
- Comprehensive operator protection from chemical fumes and from particulates if equipped with optional HEPA/ULPA filter.
- Quiet, high volume airflow system prevents fumes from escaping the work surface.
- Face velocity of 100 FPM meets international criteria for safety and performance.
- Unique filter clamping design eliminates bypass leakage outside the cabinet.
Source: https://www.airscience.com/