*Effective Filtration: The duct air filter is designed with a HEPA net that captures fine particles, making sure that dust, catkins, and insects are effectively removed from the air, promoting a healthier indoor environment. *Versatile Compatibility: This filter is compatible with various piping systems including PVC pipes, PE pipes, and aluminum foil tubes, making it a flexible solution for different ventilation setups. *Maintenance Reminder: With high-efficiency HEPA filters typically requiring replacement every 3 to 6 months, this product helps maintain optimal performance and air quality with minimal upkeep. *Enhanced Airflow: Designed to minimize resistance while filtering, this inline ducting box allows for efficient airflow, making sure that your ventilation system operates smoothly without compromising on air quality. *Product Name: Duct Filter Pull-out HEPA Net *Material: ABS shell, HEPA activated carbon composite filter Net *Size: 110mm *Color: White Product Features: HEPA filters are generally replaced every 3 to 6 months. Color: As Shown Material: ABS Package Contents: 1*Duct Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.