Check the listing for details. Ag Leader 2000216_Grain Flow sensor_John Deere 8820 (No Impact Plate). Condition: Used. Listed at 69.99 USD. Used seed flow sensor. Was working when last used, but untested since then. 60 day money back guarantee or a replacement (Depending on availability) 60 Day money back guarantee. Please verify that this fits your application before purchasing. Shipping:-Up to 4 day handling time. -Shipping times can vary. Please be patient as this isn’t my full time job-IF IMMEDIATE SHIPPING IS REQUIRED please reach out to me BEFORE purchasing to make sure I can accommodate. -Buyer pays return shipping unless there is an issue with the item -If purchasing multiple items, shipping discounts/ refunds will be issued if applicable-Items will be shipped vis USPS ground advantage, media mail if applicable, or UPS/FedEX for larger/heavier options. Please feel free to reach out to me if you have any questions.