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Hi,I'm repairing a ventilation system that has a damaged custom made 2-phase mains filter. I contacted the manufacturer and they told me it is a custom job for the ventilation manufacturer, they did not stock it. And the ventilation manufacturer charges an arm and a leg for it. Each inductor in the original filter is 128uH. Would it be ok to replace such a filter with two thoroid chokes each of 128uH inductance? What is the reason they use such a combined filter with the two phases around a iron core instead of just using two chokes? How does combing two such inductors in one unit change the magnetics/inductance? Original filterConsidering replacing it with two of these inside a 3d-printed housing.