Air purifier units for indoor spaces. For viral load reduction in a short time, converting any space into a healthy environment thanks to the improvement of indoor air quality (IAQ). All Casals purifiers have several filtration stages that include HEPA14 molecular absolute filters that capture suspended particles such as viruses like COVID-19, bacteria, mold spores, bad odors, etc. With Casals purifiers, you can breathe easy. Suitable for healthcare environments, hospital rooms and even ICUs.