- Protects 3M™ Versaflo™ Particulate Filter, TR-6710E from physical damage
- Holds a 3M™ Versaflo™ Prefilter, TR-6600 or 3M™ Versaflo™ Spark Arrestor, TR-662 in place for further protection
- Enables 3M™ Versaflo™ Power Air Turbo to be worn through decontamination showers
- Filter cover may be cleaned and reused