The filter set includes one F7 and one G4 filter insert, designed specifically for ventilation units ComfoAir Q350, Q450, and Q600. User-friendly design allows for easy replacement of filters by simply inserting them into the designated slot. Regular replacement of filters is recommended to maintain optimal air quality and system performance. Filters are designed to capture a wide range of airborne particles, enhancing indoor air quality. The product is suitable for air quality loads, ensuring effective filtration in different environments. This filter set is essential for maintaining the efficiency of your ventilation unit. The F7 and G4 filters work together to trap dust, pollen, and other pollutants, providing cleaner air for your living space. Regular maintenance and timely replacement of these filters help that your ventilation system operates at , contributing to a healthier indoor environment. Color: White Material: Hypa Package Contents: 2*Air Conditioner Replacement Filters 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.