1. Installation is simple and direct replacement is possible without any additional modifications. It is convenient and worry-free to use
2. The multi-layer dense pleated structure increases the effective filtration area, resulting in a larger dust retention capacity
3. A reinforced sealed frame is equipped, which fits the body after installation, reducing air leakage and making the purification more efficient
4. Excellent air permeability and low wind resistance, without increasing the burden on the purifier's fan, without affecting the equipment air volume and operating noise. The usage experience is more stable
5. For Blueair 201 / 303 / 203 / 270E