CleanSpace A2 P3 P SL R combined filter is suitable for protection against airborne particulate (dust, mists and fumes), organic gases or vapours (boiling point >65C); important: when selecting a CleanSpace filter please consult a health and safety specialist for advice on the appropriate respiratory equipment and filter use; compatible with all CleanSpace PAPR power units; the CleanSpace high capacity particulate filter must be used in conjunction with the CleanSpace filter adaptor (PAF-0038); easily fitted and removed from the power unit