Description HeartStart First Aid Adult Training Pads with Cartridge. The Philips HeartStart HS1 defibrillator training pads cartridge contains 1 pair of resealable adult training pads and is supplied with a fold out "flat man" guide to practice pad placement. The cartridge is designed for use with the Philips HeartStart HS1 trainer unit, and when fitted, the HS1 trainer recognises that the adult pads cartridge has been installed.
