Read practical guides about fume hoods, airflow control, wet scrubbers, and laboratory exhaust treatment product selection.
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Walk-In vs Distillation Fume Hoods: Clearance, Equipment Loading and Exhaust
Read more: Walk-In vs Distillation Fume Hoods: Clearance, Equipment Loading and ExhaustProcurement teams write “large fume hood” on a requisition and expect a bigger version of what they…
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Radioisotope Fume Hood Requirements: Surfaces, Exhaust and Monitoring
Read more: Radioisotope Fume Hood Requirements: Surfaces, Exhaust and MonitoringRadioisotope fume hood requirements come from the licence and the radiation safety program, not the catalogue. Here…
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Portable vs Full-Size Ductless Fume Hoods: Capacity, Mobility and Use Limits
Read more: Portable vs Full-Size Ductless Fume Hoods: Capacity, Mobility and Use LimitsNo single number settles portable versus full size ductless fume hood selection. This guide works through the…
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Activated Carbon vs HEPA Filters for Ductless Fume Hoods
Read more: Activated Carbon vs HEPA Filters for Ductless Fume HoodsActivated carbon and HEPA media remove different hazard forms, so they are not alternatives to rank. This…
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Ductless Fume Hood Filter Life: What Determines Replacement Interval?
Read more: Ductless Fume Hood Filter Life: What Determines Replacement Interval?No interval quoted for ductless fume hood filter life states the chemical, the weekly load or the…
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Fume Hood Sash Height and Airflow: Working Opening, CFM and Safety
Read more: Fume Hood Sash Height and Airflow: Working Opening, CFM and SafetyA fume hood’s permitted working opening is created by its own certification test and marked on the…
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Fume Hood Duct Sizing: A Complete Guide to Diameter, Velocity and Material Selection
Read more: Fume Hood Duct Sizing: A Complete Guide to Diameter, Velocity and Material SelectionFume hood duct sizing guide: calculate diameter from airflow and velocity, select materials (PP, PVC, 316L), and…
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How to Size a Fume Hood Exhaust Fan: Airflow, Static Pressure and Control
Read more: How to Size a Fume Hood Exhaust Fan: Airflow, Static Pressure and ControlSize a fume hood exhaust fan in four steps: airflow at the operating sash, a full static-pressure…
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Low-Flow vs Standard Fume Hoods: Containment, Energy and Controls
Read more: Low-Flow vs Standard Fume Hoods: Containment, Energy and ControlsA low-flow fume hood is only a real saving when containment verifies as-used: five inputs — chemical…
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FRP vs PP Fume Hoods: Construction, Chemical Resistance and Project Fit
Read more: FRP vs PP Fume Hoods: Construction, Chemical Resistance and Project FitFRP is usually a liner, PP is a welded cabinet — and the choice between them runs…
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Acid Digestion vs Perchloric Acid Fume Hood: Wash-Down?
Read more: Acid Digestion vs Perchloric Acid Fume Hood: Wash-Down?Wash-down is a specifiable option on an acid digestion hood but integral to a dedicated perchloric hood…
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Fume Hood Face Velocity Too High or Too Low: Causes and Corrective Checks
Read more: Fume Hood Face Velocity Too High or Too Low: Causes and Corrective ChecksA face velocity reading that is too high or too low is a diagnostic snapshot, not a…