Check the listing for details. ANALOX O2EII NITROX Analyzer Replacement O2 Sensor – 3yr Warranty Scuba -. Condition: New. Listed at 129.95 USD. Normal.dotm 0 0 1 106 605 XtremeScuba 5 1 742 12.0 0 false 18 pt 18 pt 0 0 false false false ANALOX O2Ell Replacement O2 SensorBrand New Genuine Analox Sensor - Newest sensors you can get in the USA! Replacement Sensor for Analox O2Ell Analyzer Pro-Rated Warranty 3 Years from purchase date Expectant Life 4 Years Very Easy to Change Ready for immediate Shipment! RETURN POLICIES We offer a 30 day return policy from purchase date for any defective sensor. No returns for sensors where the hermetically sealed pack it was shipped in has been opened. No RMA number is required for any returns. Message us for return instructions.COMMUNICATION If you have a problem or question regarding your transaction please contact us before leaving any type of feedback. We will work with you to resolve any problem you may have.SHIPPING Our standard shipping service is free, your order will be processed within 24 hours. Transit time varies from 2-5 business days.Expedited shipping takes 2-3 business days.One Day shipping takes 1-2 business days.