The Truflo paddle wheel flow meters incorporate a zirconium ceramic rotor pin and bushings and have been engineered to outperform any competitive paddle wheel flow meter product; we are so confident that all paddle wheel flow sensor assemblies come with a lifetime warranty. The Truflo leak detection sensor is an excellent choice for the interstitial space of dual contained tanks. The leak detection sensor comes in a float style for clean liquids or the capacitance type for corrosive media. The Truflo plastic flow switch is an excellent choice when pump protection or flow/no flow indication is required. https://www.iconprocon.com/