Cal1
Member
Did you use the HEPA setting very much? We’ve only used it twice in 3 yrs. Not sure if it would need to be changed.. We live in a pretty rural area and just don't run into situations that need it.It's like the only part the service center usually has in stock all the time.
I did mine after exactly 4 years and I'd say that's the right timing. It was dirty but not too bad, and that's after a few fire seasons here in California.
Kind of a pain to replace since you have to remove the tub but not too hard for DIY if you take it easy.
Last edited: