This filter is AMAZING. I hate to put myself out there as a dirtball, but our musty house smell was speaking for itself. We still don't know what the culprit was- we've got cats, an older house, previous water damage, tendency to skip mopping... the list goes on. No matter how much I cleaned, opened all the windows, sprayed, burned candles, prayed to the Old Gods, the smell would come back. Facebook, being all-knowing, showed me an ad for these Colorfil filters and the rest is history. The smell...