Filter Box 4 inches with Efficient Box Fan Filter, Duct Filter Box for Fresh Air Intake and Improved Airflow

【Improved Air Quality】The Aitecac Filter Box 4 inches with Efficient Box Fan Filter is designed to effectively improve smoke, and other impurities from the air, creating a fresher environment for you and your family.

 【Enhanced Ventilation】This HVAC Filter Box provides efficient airflow and ventilation, allowing the circulation of fresh air in various settings such as homes, factories, clean rooms, warehouses, planting tent sand mining tunnels. It helps to maintain a healthy indoor environment.

 【Superior Filtration Performance】Our Industrial filter box features two high-quality filters – MERV10 and MERV13. These filters are made from premium heat-resistant cotton, ensuring efficient filtration of capture 0.3 micron particles. Experience cleaner and healthier air with our reliable filter box.

 【Easy Installation】Our Industrial Filter Box is designed for easy installation and use. Simply connect it to your existing duct system, and it will start improving the air quality immediately. The compact size and lightweight design make it convenient to install in different locations.

 【Excellent Design】Installing our duct filter box is a breeze. With its user-friendly design and convenient dimensions (25×10.2×12.2in), it can be easily integrated into your existing ventilation system. Enjoy hassle-free installation and start enjoying cleaner, fresher air in no time. Upgrade your air filtration system today with our top-of-the-line filter box.