OIL LEVEL INDICATORS We produce vertical oil level indicators for hermetically sealed type transformers. Connection Size: R1” & R2” I would like to know more; please get in touch with me. Name (Required) Email (Required) Contact (Required) Country (Required) I would like to know about I would like to know aboutPorcelain BushingsTap ChangersBushing CoversPressure Safety ValvesOil Level IndicatorsFinwallsFinwall and Flatwall TankOthers Message 3 + 3 = Submit