Check the listing for details. RV Water Tank Level Sensors Screw-In Electronic Probes for Fresh/Holding 6pk. Condition: New. Listed at 12.95 USD. Best PricesHigh QualityFree ShippingWater Level Screw-in Sensors | RV Water Tank Probe Sensors | 6 Pack If you are not 100% satisfied with your purchase, you can return the product within 30 days. If returned Items are due to the customer ordering the wrong size, style, or color, they are automatically subject to a 10% restocking fee unless otherwise noted in product description. You have precisely 30 days from the date of purchase to return an item. We believe this provides an ample amount of time to inspect, test, and validate your purchase. Returns after 30 days from the date of purchase will be handled on a case-by-case basis. It is possible to incur up to a 25% restocking fee if we choose to accept the return. This is solely the discretion of RecPro. ​​​​​​​ Free ShippingBest PricesHigh QualityDetails: Available in packages of (6 ea.) Sensor – grommet (1), button-head sensor post (1), washer (1), 3/8” nut (2) Vulcanized grommet Rust-resistant post and hardware Collapsing pressure system guarantees virtually impenetrable seal if properly installed For use with RecPro water tank gauge systems