Each patch is 7

The ergonomic design provides an excellent feel for how the lungs respond and helps avoid over-ventilation that can damage the lungs

it is important that the liquid-filled container inside the bag is crushed so that the water mixes with the powder/crystals

Sold in 1-pack

internalizes the pain

Elektroder Philips FRx Laerdal Each patch is 7Electrodes for Philips HeartStart FRx with 2 year durability. The electrodes can be used on both adults and children. To use on children, a child key is required. By turning the child key, the strength is adapted to children, which means that the energy is reduced from 150J to 50J. 2 year shelf life Child and adult (requires child key) Document Manual