The Diesel Exhaust Fluid Filter Cap is a circular part with a threaded base that screws. It houses a filter element that traps any dirt, debris, or other contaminants that might be present in the Diesel Exhaust Fluid (DEF) solution. It is made up of strong and durable non-metallic material, to ensure strength and withstand high operating conditions.Attributes:• Maintains effective sealing property even under compression • Manufactured to precise specifications and are built for durability and reliabilityApplications: The Diesel Exhaust Fluid Filter Cap acts as a barrier, preventing contaminants from entering the Diesel Exhaust Fluid (DEF) tank and pump system.