Philips Adult SMART Pads Cartridge for HS1HeartStart Adult SMART Pads are appropriate for cardiac arrest victims 8 years and older, or weighing above 55 pounds (25kg) or more M5071A  
Philips Smart Pads II for FRX For Philips HearStart FRx. Use for adult or child (with Pedi Key).  
Infant/Child SMART PADS Cartridge Children under 8 years or weighing less than 55 pounds (25 kg), including infants, should be treated using HeartStart Infant/Child SMART Pads. These pads instruct the defibrillator to reduce the energy of its shock from...