How long will my filter last?

Filter replacement frequency varies by system, by the age of your system, your lifestyle (indoor smokers may choose to change their filters more often) and by the manufacturer’s warranty. Additionally, if you have pets, or if you live in a location that has more dust, pollen or similar air particles, you may need to change your filter more frequently. Are you remodeling your home? Again, you might change the air filter more often. We recommend checking your filter monthly. GeneralAire® also offers the G99 Air Filter Gauge. As the G99 fills with particles from your indoor air, air pressure changes, raising the indicator arm that tells you it’s time to change your filter.

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