James H. asked

🔌  Appliance

Just bought an air purifier. Instructions are vague as to which side of the pre-filter faces toward the interior of the machine, rough & speckled or smooth. Also, would you please tell me the correct placement of the pre-filter? Inside or outside of the HEPA filter? Model Series HPA-24X. Purchased at Maynard.

March 6th, 2023

Matthew T. answered

The pre-filter should be placed with the smooth side facing outward and have an arrow pointing towar...

March 6th, 2023

Sign Up to View Full Expert Answers

Create an account to view answers and interact with the community!