This Dust Filter Pack for the NetShelter CX allows the user to reduce the airborne particles entering the enclosure. The reticulated plastic filter material is washable and easily removed/replaced. Using the Dust Filter Pack on the NetShelter CX increases the Ingress Protection (IP) rating of the enclosure from IP44 to IP54 and reduces the risk of dust related equipment issues, such as overheating, system failure, and permanent data loss.