The ‘SET FILTER VENTILATOR H14 HEPA INLET W4-CARTRIDGE 12-BOWLER 1Each – 302.504.000’ is a comprehensive filtration system designed for ventilation purposes. This set includes a high-efficiency particulate air (HEPA) filter of H14 grade, which is capable of removing 99.995% of particles from the air, ensuring clean and safe air circulation. The product comes with an inlet and four cartridges, offering extended usability and excellent performance. The set also includes 12 Bowler units, further enhancing its functionality. This product is sold as one unit per package. The item number for this product is 302.504.000. Ideal for various settings, this ventilator filter set is designed to provide optimal air quality and maintain a healthy environment.