DIESEL EXHAUST FLUID DEF HAND DRUM PUMPS ARE USED SPECIFICALLY WITH DEF TO MAINTAIN PURITY WHEN FILLING THE RESERVOIR OF A DIESEL ENGINES SELECTIVE CATALYTIC REDUCTION SCR SYSTEM THESE PUMPS ARE CERTIFIED TO ISO STANDARDS THAT REGULATE THE HANDLING TRANSPORTATION AND STORAGE OF DEF THEY ARE USED FOR DISPENSING AND TRANSFERRING SMALL VOLUMES OF DEF WHEN SERVICING LATE MODEL TRUCKS AND SUVS AS WELL AS SCR-BASED STATIONARY INDUSTRIAL SYSTEMS THAT OPERATE ON DIESEL FUELHAND DRUM PUMPS ARE MANUALLY P
