Huh, IQ Air does have specs and prices: https://www.iqair.com/us/whole-house-air-purifiers/buy https://www.iqair.com/us/whole-house-air-purifiers/buy That’s…

Huh, IQ Air does have specs and prices: https://www.iqair.com/us/whole-house-air-purifiers/buy https://www.iqair.com/us/whole-house-air-purifiers/buy That’s… a lot more expensive than Aprilaire for only slightly better performance. Two or three Aprilaire (or Lennox, etc) filters in parallel will dramatically outperform the Perfect 16 and will cost much less. Of course, that would require some custom sheet metal, but the Perfect 16 may also need some custom sheet metal.