How to Install an Air Filter
Instructions to Properly Install and Replace Your Filtrete™ Filter.
Installing Your Filtrete™ Filter
Check out our easy, step-by-step installation instructions:
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Step 1
Remove the plastic from the filter—don't remove the cardboard framing.
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Step 2
Find the airflow arrow and point it toward the AC/heating blower.
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Step 3
Insert the filter into its slot [central unit].
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Step 4
Insert the filter into its slot [wall unit]
Replacing Your Filter
For maximum effectiveness, we recommend you change your filter at least once every three months. You may want to change the filter more frequently if:
- You are remodeling or there is any other kind of construction work in progress
- There is any furniture or drywall sanding in process
- You own pets
- Anyone in the home smokes
- There is a fan running continuously
