PRODUCT FEATURES: The oxymizer is the simplest conserving device available today, operating without electronics, batteries, switches or flow controls Reduces oxygen costs by up to 75% Allows you to obtain the equivalent of 7.5 liters from a 5-liter concentrator Eliminates the need to deliver and service two concentrators for your high-flow patients A close-coupled reservoir that fills with 20 mL of expired air at the initial phase of expiration, which is enriched or replaced with oxygen during the remainder of expiration PRODUCT SPECIFICATIONS:VENDOR: Drive MedicalVENDOR NUMBER: P-224PRODUCT ID: 22403924BRAND: Oxymizer®GTIN: 110814470020119FOR USE WITH: All Oxygen Delivery SystemsSPECIFICATIONS: Pendant Style, Closed Couples 20ml Reservoir, Soft, Flexible, DisposableSHIPPING INFORMATION:HEIGHT: 14.6 InchWIDTH: 13.4 InchDEPTH: 16.8 InchWEIGHT: 11.8 lbs.