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Listing: #3270883
The Mindray O2 Sensor and Accessories Kit (A4 Advantage) (#121-001428-00) includes a software CD, O2 sensor, and two lithium-ion batteries.
Note: Must be purchased with the Mindray A4 Advantage Advanced Anesthesia System with Gas Module (#0630F-PA00001). Can not be purchased separately or after the fact.