Product Short Description: Orange Silica Gel helps to detect humidity of transformer oil by changing its colour, Humidity is main causes of fluctuation of DIELECTRIC STRENGTH Product Description: During Heating and cooling process of transformer oil Air pressure comming out and going inside the transforemer, This process is called BREATHING of Transformer. Silica Gel Breather helps to avoid entry of humidity and dust inside the transformer oil, humidity is main causes of fluctuation of DIELECTRIC STRENGTH, which is damaging the transformer functionality and out put of current flow.