The filter structure has the following characteristics:
1. Compared with the same flow filters, compact size and volume small.
2. Wide pressure used range.
3. Convenience for replace filter, users can install the space, open the cover and replace the filter, can be unscrewed shell (the first release oil) remove from the following filter. 
4. Fixed convenience: if the user presses the standard flow problems during installation can be covered with four screws removed, turn the cover 180 degrees, thus changing the flow direction of medium.
5. The filter with bypass valve and differential pressure transmitter device, double protection function, filter pollution, plug when the pressure drop to a value of value adjustment for the sender, the sender device sender, filter must be replaced at this time Core.