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Royal Sovereign ARP-9411 Air Filter
It is highly recommended that the filter is changed every 3 months due to the filter clogging up and restricting the flow of air in the home. Exact measurements of the filter is not really a optional choice because it is based on the declared size of the manufacturer of your system. Filters are available in many types and sizes, which depends on your particular choice for how clean you want the air and the specific size of filter you need for your system.
Cues of an ailing main filter
- Professionals have advised to replace your air filter about every three months in order to have clean air running through the unit
- If you lift the air filter up to a source of bright light, the light will almost not shine on the opposite side of a completely clogged filter
- The air filter looks gross and it would be a good idea to replace it ASAP
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