Air Filter 2.0 has incorporated a retractable device. Upon detection of good indoor air quality, the filter will automatically retract, allowing air to pass freely without filtration, which helps save energy and reduce emission.

Air Filter 2.0 has incorporated a retractable device. Upon detection of good indoor air quality, the filter will automatically retract, allowing air to pass freely without filtration, which helps save energy and reduce emission.

Air Filter 2.0 has incorporated a retractable device. Upon detection of good indoor air quality, the filter will automatically retract, allowing air to pass freely without filtration, which helps save energy and reduce emission.