This CPR mask features a clear mouth barrier for mouth-to-mouth resuscitation. It is intended only for single use. CPR Face Shield comes in a sealed, tamper-evident pouch that is disposable and surgically clean. This refill is used in First Aid Only SmartCompliance cabinets: 90659, 90660, 746005 and 746006. SmartCompliance Refills keep supplies organized and stocked with the SmartTab ezRefill system. As supplies are used, SmartTab ezRefill reminder tabs notify you when it is time to reorder supplies and puts the reorder information at your fingertips.