Details Filter is ideal for spray painting, chemical spraying and coating, fumigation, degreasing, cleaning & maintenance. Purifying tub for the lowest concentration of organic compounds, second-class dust-proof filter Combined with 3M™ 1200, 3200 and HF-50 series faces Replace immediately in case of loss, damage or deformation. The 3M™ 3311K 55 purifier provides protection against organic compounds and is equipped with a second-class dust filter for use in common dust and mist sites. Available in combination with 3M™ 1200, 3200 and HF 50 surfaces. It is a purification bucket for the lowest concentration organic compound for the second-class dust proof combination. On the other hand, it can be combined with a monosphere.