The Tuff Jug DEF Jug is a dedicated 5 gallon (20L) container for diesel exhaust fluid, with bold double-sided "DEF" lettering and an industry-standard light blue cap so it's never mistaken for fuel. Ships with a storage cap, spout and a DEF adapter sized for smaller DEF tank inlets.
- Capacity: 5 gallon / 20 liter
- Double-sided DEF lettering for instant identification
- Light blue cap matches DEF industry standard
- Includes storage cap, spout and DEF adapter
- Pre-installed external vent for steady flow