2. True HEPA Filter captures particle as small as 0.3 microns, Help reduce a range of odors, dust, dander, hair, mold, spores and smoking for fresh pure air.
3. Keep indoor fresh air free from pollution and prevent dust from entering the motor compartment and extend the life of the motor.
4. Size of Air Cleaning filter:29" x 7 3/4" x 1". Suggested to replace every 3 months
5. BWF75 Humidifier Filter, this part is a top quality, generic aftermarket replacement part. Natural and Clean Humidification