The Donaldson Clean DEF Filter protects selective catalytic reduction systems on vehicles and equipment by delivering clean diesel exhaust fluid, which helps avoid repairs and downtime. The filter removes harmful particulate, prevents clogged dosing valves to ensure the SCR system functions properly and extends the life of the on-board DEF filter. The heavy duty, fully compatible stainless steel constructed filter features a high-tech internal seal to prevent contamination on the clean side, Beta 5000 efficiency at 1 micron, a maximum working pressure of 300 psi and integrated gauge/sample ports.