Protects your 3M™ Versaflo™ TR-6310E filter from physical damage Holds a 3M™ Versaflo™ Spark Arrestor, TR-662 or 3M™ Versaflo™ Prefilter (TR-6600) in place for further protection Enables 3M™ Versaflo™ Power Air Turbo to be worn through decontamination showers Filter cover may be cleaned and reused
