ZOLL M Series Biphasic DefibrillatorZOLL M Series Desfibrilador Bifsico Condicin REFURBISEHD DESCRIPCIN The Zoll R Series brings Code Readiness to every hospital department seeking cost effective advanced resuscitation. Three models to choose from: R Series BLS: This cost effective, entry level defibrillator is ideal for low acuity areas, where advanced capabilities are rarely needed. First responders can use the BLS as a one button AED until the Code Team arrives and switches the unit