FLOW METER TOKICO 3 INCH QUALITY RESET This oil meter is used to measure the flow of fluids such as oil, oil and diesel fuel. It is known that a lot of liquid flow can be read on the meter indicating how much has passed through this meter, even though liquids such as oil, oil and Solar does not make it easier for the meter to rust quickly because it has been coated with stainless steel. For orders, you can chat wa, call wa 082111411106.