Graco Inc.

Blue DEF Couplers  Maintain Desel Exhaust Fluid (DEF) Purity

Choose the industry accepted closed inlet system that best meets your application needs

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Maintaining fluid purity is essential to the longevity of your equipment and maintaining Selective Catalytic Reduction (SCR) engines. With a closed system design you can minimize fluid contamination, prevent spills, and minimize fumes. Couplers are ideal for safe and efficient delivery of DEF from bulk containers.