Filter drier is obligatory component in the refrigeration system. It can filtrate moisture, impurity, acid, oil, paint and wax efficient in the system.

Bi-flow filter drier
The Bi-flow drier was designed to prevent refrigerant not get polluted in refrigeration and heat circulatory system. It can prevent the contaminant which is concentrated in one direction to return when it flows in an opposite direction. This device can save two external check valves and two normal filter driers. It reduces complex lines and the cost.

Indication: the size change is not informing, take plant production blueprint as.