HYDAC BD400 Dry Micron Desiccant Breather is a desiccant-based air breather for hydraulic reservoirs. The BD400 designation identifies this HYDAC part as a unit that provides dry micron desiccant filtration for incoming air, helping maintain reservoir air quality. By limiting moisture ingress into hydraulic systems, this breather supports fluid life and reliable operation in environments where humidity is a concern.
