Test Gas 58 L, 10 ppm SO2 N2 Product Type_High Visibility Coveralls The Philips HeartStart FRx AED The Philips HeartStart FRx AED (automated external defibrillator) is a top of the line device designed to help users quickly and effectively respond to sudden cardiac arrest Its 10 inch roll capacity dispenses up to 10 times more bath tissue than conventional dispensers and a see through indicator window shows when it's time for a refill Draeger Test gases verify your detectors' functionality with unmatched precision Ensure your gas detectors are always accurate and reliable with Draeger's comprehensive line of calibration gas cylinders