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Goodman GKS90905DX Air Filter
Goodman GKS90905DX filters come in many filtering types which depends on your particular choice for how clean you want the air and the specific size of filter you need for your system. The dimensions of the filter is not really a personal choice due to the constraint of the availability of room of your furnace or handler. It is recommended that the air filter gets replaced every 90 days or so for optimal air quality throughout the home.
Simple warnings that your primary air filter is in need of replacing?
- When you hold the filter up to the light, it does not show on the other side a very dirty air filter
- The unit air filter looks gray or brown and it would be a good idea to replace it right away
- It is greatly advised to switch out the air filter in your unit four times a year for to keep the air inside the house cleaner
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