If you're looking for an effective air purifier to tackle pet hair, dander, and smoke, choosing the right one can significantly improve your home's air quality. HEPA filter air purifiers are ideal for capturing tiny particles like pet hair and smoke. Additionally, some models feature washable filters, saving you money over time.br The purifier should cover up to 1500 sq ft to ensure effective air cleaning in larger rooms. Another important feature is a low noise level, like 22 dB, especially if you plan to use it during sleep. Look for units with odor-neutralizing filters to eliminate unpleasant smells like cigarette smoke or pet odors. With the right air purifier, you can enjoy cleaner, healthier air, ensuring a better living environment for you and your family.