Heartstart Defibrillator: Adult SMART Pads cartridge - Philips Heartstart OnSite Defibrillator - M5071A Description Contains two self-adhesive pads in a hard protective cartridge. Directions The pads are SMART because they work with the device to sense whether they have been removed from the cartridge and placed on the patient's chest. Pictures on the pads illustrate correct placement. Defibrillation pads must be replaced after each use, or once every two years. The expiration date is visible on the outside of the pad's packaging. Further Information The Adult SMART pads are for use with the HeartStart Home Defibrillator. Please refer to the[Read More]