Efficiency HEPA Duct Air Filter Particle Filtration: Equipped with a grade HEPA composite filter, this unit captures microscopic contaminants down to 0.3 microns, effectively removing fine dust and other airborne particles from your ventilation system for cleaner, healthier indoor air. Wide System Compatibility: Engineered for easy integration, this filter works seamlessly with PVC pipes, PE pipes, and aluminum foil ventilation ducts. No additional modifications or special equipment are required, making installation straightforward in most ducting setups. Easy Maintenance Design: The practical pullout filter element system allows quick replacement in minutes without tools. Simply slide out the used filter and install a one every 3–6 months to maintain peak air cleaning performance. Durable Construction: Built with a sturdy ABS shell housing and a HEPA composite filter net, the unit withstands regular use while delivering reliable, longterm filtration results. Ideal Applications: 1. Residential HVAC systems requiring improved air quality by reducing dust and fine particles. 2. Commercial or office ventilation systems where cleaner air supports a healthier workspace for employees and visitors. 3. Workshop or hobby spaces that generate dust, ensuring cleaner air circulation and protecting equipment and occupants. Size and Function Overview: Compact and robust, the HEPA duct air filter integrates directly into your existing duct work, enhancing air purity without impacting airflow efficiency. Designed for versatility, it supports various pipe materials and keeps indoor environments fresh and healthier yearround.