... with Double FH trapezoidal filter element.More, More, pls contact me.other supply:Waste oil purifier, used oil purifier, oil recycling, regenerate oil purifier, Vacuum Transformer Oil ... oil purifier, Diesel oil purifier, Gear oil purifier, Fuel oil purifier, Fire-resistant oil purifier, light oil purifier, Insulating oil purifier, Lube oil Purifier ZYD-I-50 high Voltage Insulating oil purification ...