The main element of the filter is 25 kg of activated charcoal to trap the volatile organic compounds in the laser exhaust. The charcoal is packed into an IKEA garbage can around a prefilter made ...

Activated charcoal has been exposed to chemicals that allow it to bind to certain substances. Many water filters contain activated charcoal because it can remove toxins from drinking water.

“Water filtration systems typically use charcoal in their filters for this purpose,” says Brown. However, you can use activated charcoal to make a filter at home. “Place some activated ...