The 3M™ Versaflo™ Heavy Duty Holster is a heavy duty leather holster designed to be used with the 3M™ Versaflo™ Battery Adapter, TR-659 and the 3M™ Versaflo™ Standard Battery, TR-630. This holster is used to keep the battery and battery adapter protected and secure during use. This product is intended for use with the 3M™ Belt-Mounted Powered Air Purifying Respirator Assembly, GVP and serves as a new power source for existing systems.