Yes, air purifiers are effective in improving indoor air quality by removing particles such as dust, pollen, pet dander, and smoke from the air. They use various technologies like HEPA filters, activated carbon filters, UV-C light, and ionizers to capture and neutralize airborne contaminants. Howeve

A pass box is a device used in cleanroom environments to transfer items between two areas while maintaining the cleanliness and integrity of both spaces. Pass boxes typically consist of two chambers separated by a door or a sliding mechanism. The chambers are equipped with HEPA or ULPA filters to en