Philips HeartStart FRx Defibrillator + Extra Pads + Fast Response KitPERFECT FOR ANY ENVIRONMENT: HOME, WORKPLACE, OUTDOORS, AND ON THE GO The Philips HeartStart FRx Defibrillator is designed to be easy to use, rugged and reliable for those who get there first. On the scene with law enforcement, on the field with student athletes, or on the job with employees, the FRx Defibrillator treats sudden cardiac arrest (SCA) from ventricular fibrillation in environments and conditions too demanding for many other