Convenient refill contains all the necessities to replenish your first aid kit. Designed to refill 24 Unit ANSI A+ Weatherproof First Aid Kits. Sufficient to treat 50 people. Contains: CPR Breather; Scissors; Tape; Number of Pieces: 3; For Use With: 90569; 90570; 90600; 90700; Length: 1.5".