Upgrade your W1830 Shop Fox Hanging Air Filter with the Shop Fox D3835 Outer Filter for enhanced dust removal. This outer filter is designed specifically for the Shop Fox W1830 unit, ensuring efficient air cleaning in your workspace. With easy tool-free installation, this 5-micron filter, part of the ETL-certified system, adds an extra layer of protection. Maintain a clean shop environment effortlessly with this compatible outer filter, backed by the Shop Fox quality assurance. Elevate your air filtration system for a dust-free workshop experience.