HISUN 400 HS400 Air Filter Assembly Designed specifically for the HISUN 400 HS400 400cc ATV, this air filter assembly helps maintain reliable engine performance during offroad use. Built to protect your engine from harmful particles, it delivers dependable filtration for challenging riding conditions. Key Benefits protection against dust, dirt, and debris, helping extend engine life and maintain consistent performance. Precision fit for HISUN 400 HS400 models, ensuring proper installation and function without modifications. Supports airflow for smooth operation and efficient power output. Product Features Function: Filters incoming air to prevent contaminants from entering the engine. Compatibility: Engineered to fit HISUN 400 HS400 400cc ATV air intake systems accurately. Material: Durable, quality filter media for long service life in harsh environments. Performance: Stable filtration under varying riding conditions for reliable offroad capability. Routine Maintenance Clean or at regular intervals to maintain maximum engine protection and efficiency. Easy to remove and install for quick servicing without specialized tools. Use Scenarios 1. Trail Riding: Protects the engine from dust and grit when riding through dry, sandy paths. 2. Mud and Wet Terrain: Keeps debris out of the intake to prevent clogging and performance loss. 3. Farm or Utility Work: Maintains consistent operation when used in dusty fields or work sites. This air filter assembly offers the right fit and protection to keep your HISUN 400 HS400 running smoothly under demanding conditions.