Search results for “filter cartridges”

How do air filters work?

How do filters remove particles from the air and reduce exposure - especially the small ones? As this Risk Bites primer shows as it dives into the science of aerosol particle capture, it may not be how you think! Air filters are an important tool for protecting health, improving air quality, and

Hot Tub Laz-Y-Spa Honolulu Setup Instructions

I got something cool for my birthday: a hot tub! So I asked myself if these things are any good at all and if they are stable. After all, they are quite expensive! The setup took a solid 45 minutes. Filling it with water using a garden hose took another 1.5 hours. The water had about 24° Celsius d

What are my sunglasses good for?

Sunglasses are important – and not just because they look cool: UV radiation can cause cataracts. But how do I know if my sunglasses really filter out UV radiation? Does it depend on the price? How does the protection work at all? You asked, we have the answers. More information about sun protection

How do face masks and respirators work?

How do face masks and respirators prevent you from breathing in harmful particles? As respiratory protection against coronavirus becomes increasingly important, Risk Bites dives into the science of face masks and respirators, and explores what makes for good protection, whether it’s a professional

How to find radioactive substances in the air

There are various methods for measuring radioactivity in the air. With the help of trace analysis, even very low concentrations of radioactivity in the air can be detected. In the video, Jacqueline Bieringer explains how to detect radioactive substances in the air. Original: "Federal Office for Rad

How dangerous is dioxane in your drinking water?

How worried should you be if 1,4-dioxane gets into your drinking water? 1,4-dioxane is an industrial chemical used as a solvent and a stabilizer -- and in areas where there's environmental contamination, safety is an important question, especially as the substance is a probable human carcinogen. T