Designed for Diesel Exhaust Fluid. Helps prevent the cross contamination and accidental spilling of DEF, which is highly corrosive to metal surfaces and wiring. Innovative Speed Channels make filling faster and easier while eliminating glugging. Product Features:Task-specific funnel engineered for specific use with diesel exhaust fluidDesigned to fit DEF portsNo-mess splash guard Speed Channels for quick pouringTo prevent contamination, clean before each useWide basin for clean no mess pouring
