Instructions to Properly Install and Replace Your Filtrete™ Filter
Check out our easy, step-by-step installation instructions:
Remove the plastic from the filter—don't remove the cardboard framing.
Find the airflow arrow and point it toward the AC/heating blower.
Insert the filter into its slot [central unit].
Insert the filter into its slot [wall unit]
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: