Elder demand/resuscitator valve 40 LPm and hoses. The LSP Elder Demand Valve is designed to provide 100% oxygen to a breathing or nonbreathing patient in an emergency situation. * Prevents over- inflation * Use as a demand valve * Use as a resuscitator * Accurates flow rates * Maximum cylinder use * Easy to clean * Durable * Used with a portable oxygen cylinder or with a central oxygen source. * Complies with AHA Guidelines