Professional Biosafety Cabinet for Biology Laboratory Lab Cabinet Class II A2 Biosafety Cabinets

Animal laboratories must have clean biological safety cabinets, especially under conditions that require protective measures, such as medicine, pharmacy, and scientific research.
Class II A2 Biosafety Cabinets Main Feature:
◆ It conforms to the principles of physical engineering, with a 10° tilt design, which makes the operation feel better.
◆ Air isolation design to avoid cross contamination of internal and external air circulation. 70% air recirculation, 30% exhaust, vertical laminar flow negative pressure.
◆ Springs are installed on the front and back of the workbench to move up and down doors, which is flexible and convenient for installation
◆ A special filter is installed in the ventilating place to make the discharged air meet the national standard.
◆ The 5-contact switch adjusts the voltage to always keep the wind speed in the working area in an ideal state.
◆ Use the LED panel for operation.
◆ The material of the working area is 304 stainless steel.

Classification of Class II A2 Biosafety Cabinets :

According to the NSF49 standard, the medium of biosafety level 1 (P1) refers to ordinary harmless bacteria, viruses and other microorganisms; the medium of biosafety level 2 (P2) refers to general pathogenic bacteria, viruses and other microorganisms; biosafety The medium of level 3 (P3) refers to microorganisms such as potent/fatal bacteria and viruses, but can be cured after infection; the medium of biosafety level 4 (P4) refers to microorganisms such as potent/fatal bacteria, viruses, etc., and it is not easy to cure after infection . This standard divides biological safety cabinets into levels I, II, and III, which can be applied to the operation of media with different levels of biological safety.

Principles for choosing Class II A2 Biosafety Cabinets in biosafety laboratories:

When the laboratory level is level 1, there is generally no need to use a biological safety cabinet or a level I biological safety cabinet. When the laboratory level is level two, when microbial aerosols or spills may occur, a level I biological safety cabinet can be used; when handling infectious materials, a level II biological safety cabinet with partial or full ventilation should be used ; If it involves handling chemical carcinogens, radioactive substances and volatile solvents, only Class II-B full exhaust (B2 type) biological safety cabinets can be used. When the laboratory level is level three, a level II or level III biological safety cabinet should be used; all operations involving infectious materials should use a fully exhausted type II-B level (B2 type) or level III biological safety cabinet. When the laboratory level is level four, a level III full exhaust biological safety cabinet should be used. When personnel wear positive pressure protective clothing, a Class II-B biological safety cabinet can be used.

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