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Heat Controller SMA 12 Air Filter
Air Filters exist in many different varieties and specific sizes, which depends on your particular demands for clean air and air handler requirements. It is recommended that the filter is exchanged for a new one every 3 months to maintain the best air quality inside the house. The actual size of the filter is not a choice of options but rather a requirement of your air handler.
How do you know if your primary air filter needs replacing?
- Many pros have advised to replace the filter every season of the year to keep the house clean and less dusty
- Air filter appears filthy and packed with dust completely
- If you place a light source behind it, the light does not infiltrate to the opposite side of the dirt filled filter
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