Fume Hood Blog
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Fume Hood Size Guide: Match the Chamber to the Apparatus
A fume hood size guide that starts with the apparatus: four nested layers, the airflow…
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Fume Hood Maintenance Checklist: What to Check, Repair or Escalate
A fume hood maintenance checklist only works when it names who checks, who repairs and…
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Fume Hood Placement Requirements: Read the Clause, Not Just the Number
A cabinet’s containment depends on more than the cabinet. The room decides how much air…
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Fume Hood Makeup Air Requirements and Laboratory Pressure Balance
Laboratory makeup air differs from residential practice, and the difference decides how you size it.…
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Walk-In vs Distillation Fume Hoods: Clearance, Equipment Loading and Exhaust
Procurement teams write “large fume hood” on a requisition and expect a bigger version of…
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Radioisotope Fume Hood Requirements: Surfaces, Exhaust and Monitoring
Radioisotope fume hood requirements come from the licence and the radiation safety program, not the…
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Portable vs Full-Size Ductless Fume Hoods: Capacity, Mobility and Use Limits
No single number settles portable versus full size ductless fume hood selection. This guide works…
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Activated Carbon vs HEPA Filters for Ductless Fume Hoods
Activated carbon and HEPA media remove different hazard forms, so they are not alternatives to…
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Ductless Fume Hood Filter Life: What Determines Replacement Interval?
No interval quoted for ductless fume hood filter life states the chemical, the weekly load…
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Fume Hood Sash Height and Airflow: Working Opening, CFM and Safety
A fume hood’s permitted working opening is created by its own certification test and marked…