Replacement Filters: Particle and Impregnated Charcoal Filter Kit: FKA2Contains 3 x IFA2 particulate filters and 1 x CHA2 Charcoal filter designed for containment of particulate overspray in substances and materials such as aerosol adhesive airbrush over-spray spray paints lacquers and resins etc.Suitable for use with the Bench Vent unit BV100H Hooded Re-circulatory Spray Booth (B8R07206)Dimensions:IFA2 Particulate Filters - 705 x 502 x 47mmCHA2 Charcoal Filter - 705 x 502 x 15mm