Description
Purair BIO is a ductless A2 cabinet using HEPA + carbon filtration, for labs that cannot add ductwork.
Marketplace listings and OEM catalogues are used for model and parameter research only. Final configuration, electrical supply, documentation, availability and pricing are confirmed by quotation.
Where this cabinet fits
Best for: Clinics, renovated labs and low-volume work where ducting is impractical.
Not the right choice for: Large volumes of volatile chemicals or chemicals outside the carbon filter’s capacity.
Specifications
| Parameter | Value |
|---|---|
| Brand / manufacturer | Air Science |
| Airflow | Recirculating, HEPA + carbon |
| Widths | 4 and 6 ft |
| Filtration | HEPA + activated carbon |
| Installation | No duct |
| Application | Low-volume chemical / biological |
| Airflow class | Ductless Class II A2 |
| Available sizes | 4 / 6 ft |
| Compliance | NSF 49 (confirm model) |
Available configurations
| Configuration | Model | Verified specifications |
|---|---|---|
| AS-AHA-133-CA-B (4 ft) | AS-AHA-133-CA-B | Size / configuration: 4 ft; Operator: 1–2 persons; Airflow class: Ductless Class II A2; Working surface: 304 stainless; Certification: NSF 49 |
| AS-AHA-193-CA-A (6 ft) | AS-AHA-193-CA-A | Size / configuration: 6 ft; Operator: 2 persons; Airflow class: Ductless Class II A2; Working surface: 304 stainless; Certification: NSF 49 |
What to check before ordering
- Confirm the airflow class against your work: Type A2 recirculates about 70% of the air, Type B2 exhausts 100% outdoors.
- Measure the doorway, lift and bench run – a 6 ft cabinet needs clear access and a reinforced surface.
- Confirm the electrical supply and whether a stabilised or dedicated circuit is available.
- Decide who performs annual certification and how quickly HEPA filters can be replaced locally.
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