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Esco 4ft LA2-4A2-E-PORT-AF A2 (2020) Biosafety Cabinet w/Stand & UV FULLY TESTED

Esco 4ft LA2-4A2-E-PORT-AF A2 (2020) Biosafety Cabinet w/Stand & UV FULLY TESTED
Regular price $3,490.00 USD
Regular price Sale price $3,490.00 USD
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Esco 4ft LA2-4A2-E-PORT-AF A2 (2020) Biosafety Cabinet w/Stand & UV FULLY TESTED
Regular price $3,490.00 USD
Regular price Sale price $3,490.00 USD
Shipping calculated at checkout.
Esco 4ft LA2-4A2-E-PORT-AF A2 (2020) Biosafety Cabinet w/Stand & UV FULLY TESTED. Unit Has Brand New Filters

S/N: 2020-162895. 

Class II Type A2

The Class II Type A2 biological safety cabinet is the most common Class II cabinet. It has a plenum from which 30% of air is exhausted, and 70% re-circulated to the work area as the downflow.

Stated from NSF/ ANSI 49:2010, both the Class II Type A1 and Type A2 must have the positively-pressurized contaminated plenum to be surrounded by negative pressure. In case there is a leakage on the positive plenum, the leaking aerosol will be pulled by the negative pressure back to the positive plenum, and it will not leak out.

In the A2 cabinet, about 70% of air from the positive plenum is recirculated as downflow, and the remaining 30% is discharged to the lab through the exhaust filter..

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