Compatible with HeartSine Samaritan PAD models requiring TSO-C142a certification:

The Heartsine Aviation Pad Pak is an "all-in-one" cartridge containing a pair of single-use electrode pads and the system battery. Only (1) expiration date - only (1) replacement component! Aviation Pad-Paks are provided with a 4-year expiration date from the date of manufacture and are for use where TSO-C142a certification is required.

The Heartsine aviation adult Pad-Pak is for use on persons 8 years of age and older or 55 lbs. or more. Heartsine Aviation Pad-Paks must be replaced after use or once every 4 years regardless of use. An expiration date is marked on the pads cartridge.