There is on-going interest in these essential skills class which are helpful to divers and non-divers. You will become certified through either Emergency First Response (EFR) or Emergency Response Training International (ERT) in Adult/Child/Infant CPR, AED, First Aid, and basic O2 Administration. The course can be completed in one mid-week night in about 3 hours. It is required to be CPR and First Aid certified to take the Rescue Diver class.