Multi-function Replacement Electrode Pads Cartridge for the Philips HeartStart FRx AED that is suitable for both Adult or Child/Infant(with use of Child/Infant Key)

AED Battery for PHILIPS Heartstart HS1, HeartStart FRx, HeartStart Onsite & HeartStart Home

Adult SMART Pads Cartridge only for use with PHILIPS HeartStart HS1/Onsite/Home

Infant/Child SMART Pads Cartridge only for use with PHILIPS HeartStart HS1/Onsite/Home