Purair® BIO BSC Models Earn NSF/ANSI 49 Certification
The Air Science® AS-AHA-193 Purair BIO Biological Safety Cabinet (BSC) models have joined the list of NSF/ANSI 49 Certified models, bringing the number of NSF Listed models to four. These BSCs are designed for safety and performance in accordance with US and International Standards NSF/ANSI 49 which certifies that Class II, Type A2 laminar flow […]
How Often Should a Ductless Fume Hood Filter be Replaced?

Having a routine filter replacement schedule is an important first step for proper equipment maintenance. Most ductless fume hood filter replacement schedules follow intervals of between 6 and 24 months. Regular filter replacement is essential to prevent oversaturation of the filters. Activated carbon filters that become oversaturated are no longer able to protect personnel from […]