The Demo Air Net makes any shop or work site project easier and cleaner while costing significantly less than a traditional air filtration system. Scientifically proven to remove airborne pollutants and carcinogens while you work, this device easily slips over the front of any fan and captures airborne particles up to 5 microns. After use, it will need to be washed. You can simply rinse it in a mop bucket but washing it on a gentle cycle in a machine and air drying works best. Now it is good as new and ready for your next project. (Fan not included)