The Fellowes AeraMax Professional AM3 and AM4 Carbon Filter set is a high-performance replacement kit designed to maintain the air quality in commercial and professional environments. Each 5mm commercial-grade activated carbon filter is specifically engineered to adsorb a wide range of volatile organic compounds and unpleasant odours, ensuring a fresh and clean atmosphere.&.nbsp.This pack of four provides a comprehensive solution for the standard maintenance of all AeraMax Pro AM3 and AM4 air purifier variants. To enhance the efficiency of the filtration system, each carbon filter is accompanied by a separate pre-filter. These pre-filters are designed to capture larger airborne particulates, which not only improves immediate air clarity but also helps to extend the operational life of subsequent filters within the unit.&.nbsp.With an estimated filter life of six months per set depending on usage conditions, this bulk pack offers a reliable and convenient way to manage air purific...