With access to the right equipment and support, everyone can help save a life. The Philips HeartStart AED Defibrillator Adult SMART Pads Cartridge is designed for use with the Philips HeartStart OnSite and Home AED Defibrillators. It contains one set of adult AED pads appropriate for cardiac arrest victims 8 years and older or those weighing above 55 pounds (25 kilograms). Featuring a convenient "pull" handle, these adult AED defibrillator pads are easily accessed for efficient use and time savings. The cartridge can easily be snapped into the OnSite or Home AED, making replacing your AED pads easier than ever.