3M™ Adflo™ Particulate and Gas Filters are replacement, high-efficiency filters for use with 3M™ Adflo™ Powered Air Purifying Respirators.Get protection from a range of particulate and gas hazards with 3M™ Adflo™ Particulate and Gas Filters. These filters, compatible with the 3M™ Adflo™ Powered Air Respirator system are simple to use, easy to install and provide high efficiency protection. The design allows users to replace the particulate or gas filter independently, no need to replace both at the same time.