General Questions
- How Often Should the Filters to Be Replaced in my Air Purifier?
- Why Do My HEPA Filters Smell?
- Why Not Use a Higher Grade HEPA Filter?
- What's the Charcoal Net Weight in the Carbon Filter of Each Product
- How Much Activated Carbon by Weight Is There in Smart Air Purifiers?
- What Are the Package Dimensions of Smart Air Air Purifiers
- What is the CFM of Smart Air's Filters?
- Does HEPA Filter Efficiency Decrease Over Time and With Age?
- Can I use a Humidifier Together with My Air Purifier?
- What's the Difference between Pellet-style and Foam-style Carbon Filters?
- Is the Xiaomi Fresh Air Ventilator Similar to the Blast in Principle and Efficiency?
- Why Can’t CADR Values over 800m3/hr or 450cfm Be Measured Reliably?
