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Introduction Schools and classrooms are often breeding grounds for germs and allergens. Children are constantly in close contact with each other, and they often touch their faces and mouths, which can spread germs easily. Additionally, many schools have outdated HVAC systems that do not effectively filter the air. Air purifiers can be a valuable tool for improving indoor air quality...

Introduction KN95 masks are a type of respiratory protective equipment (RPE) that is designed to filter out airborne particles. They are similar to N95 masks, but they are not regulated by the National Institute for Occupational Safety and Health (NIOSH). KN95 masks are commonly used in China and other parts of Asia, and they have become increasingly popular in the...

Introduction COVID-19 test kits are an essential tool for keeping communities safe and healthy. However, the cost and availability of test kits can vary widely. This can make it difficult for people to get tested, especially those who are low-income or uninsured. Why is it important to make COVID-19 testing more accessible and affordable? There are several reasons why it...

 3-ply, non-woven, melt-blown polypropylene filtration layer is a type of filter that is commonly used in face masks and other respiratory protective equipment. It is made up of three layers of non-woven polypropylene fabric, with a melt-blown polypropylene layer in the middle. The melt-blown polypropylene layer is the most important layer of the filter, as it is responsible for trapping...

Introduction COVID-19 test kits are an important tool for keeping schools safe and open. By testing students and staff for COVID-19, schools can identify and isolate cases early, helping to prevent the spread of the virus. This blog post will discuss the different types of COVID-19 test kits available for schools, how to choose the right test kit for your...

There are two main types of COVID-19 test kits that are available for schools: rapid antigen tests and molecular tests. Rapid antigen tests are quick and easy to administer, and they can provide results in as little as 15 minutes. However, they are not as accurate as molecular tests, and they may miss some cases of COVID-19. Molecular tests, also...