Below FAQ are some common concerns of our clients before purchasing the products, if you have other questions, please just send it to support@lorderan.com
According to WHO Laboratory Biosafety Manual 4th Edition, the actual risk of a given scenario is influenced not only by the agent being handled, but also by the procedure being performed and the competency of the laboratory personnel engaging in the laboratory activity.
Risk Groups are classifications that describe the relative hazard posed by infectious agents or toxins in the laboratory.

The World Health Organization (WHO) defines the risk groups as:

WHO Risk Group 1- no or low individual and community risk

WHO Risk Group 2- moderate individual risk, low community risk

WHO Risk Group 3- high individual risk, low community risk

WHO Risk Group 4- high individual and community risk

Biosafety cabinets are recertified on an annual basis and/or whenever they are moved.
According to the WHO Laboratory biosafety manual, 3rd edition, most BSCs are designed to permit operation 24 h/day. It was found that continuous operation helps to control the levels of dust and particulate materials in the laboratory.
The estimated shelf life of HEPA or ULPA filters is up to 10 years when stored properly.
Filters should be kept in their original packaging and should not be exposed to dampness, excessive heat, cold or rapidly changing temperatures. These filters can tolerate up to 95% humidity; anything higher can cause the filter media to block and fail.
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