Graco 17C907 Micro Matic EPV Dispense Coupler, 3/4" Barbed Outlet, EPDM Seals, 3A Orange Heavy duty stainless steel construction for durability and long service life Designed specifically for dispensing Diesel Exhaust Fluid (DEF) Connects to DEF containers that are equipped with plastic valves to extract DEF from container Dry Disconnect - Less than 2 milliliters