The HFA6 Series 100 GPM In-Tank Filter assembly from Buyers Products, filters out contaminants as small as 10 microns from returning to your hydraulic reservoir. Mounted on top of the reservoir, the filter assembly saves frame rail space by not having to be installed externally, and can operate in temperatures from -22- F to 212- F. Unit can handle up to 100 PSI working pressure and has a 25 PSI bypass. The In-tank filter assembly comes with the filter head, bypass and 10 micron filter element. Porting is split flange, 4 bolt CODE 61 type