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International Comfort Products NHP042AKA1 Air Filter
It is suggested that the filter that filters out particles from your home is swapped out every 90 days or so due to the filter clogging up and restricting the flow of air inside the house. The actual size of the air filter can not be a choice that needs to be made due to the constraint of the availability of room of whoever designed your heating and cooling system. The furnace filter should filter dust and other particles from the air handler as well as the home.
Important clues to watch for in a bad filter
- When you face it toward a light, the light will almost not infiltrate to the opposite side of a dirty filter
- It is advised to replace your air filter every season of the year to keep the house clean and less dusty
- Air filter looks filthy and stopped up completely
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