Add to Cart Quick view Ventronics 5528 Digital Oxygen Monitor - No Sensor Included - AS IS Ventronics Was: $45.00 Was: $85.00 Ventronics 5528 Digital Oxygen Monitor - No Sensor Included - AS IS Specifies Model 5510 Sensor for use We do not warranty or refurbish medical equipment. Condition: For Parts or Not Working 21561 SKU: 21561 Weight: 6.00 LBS