Joseph Ryan writes:
"It was very easy to install my Aprilaire 600 humidifier. The whole job
took about 6 hours to do from start to finish. The video really helped
a lot. I saved a lot of money by doing it myself and the humidifier
really works great. Thank you.
"
This Honeywell manufactured replacement filter fits into a 20" x 25" x 4" air filter slot. Comes in money-saving 6-pack for lower product and shipping cost. Manufacturer recommends replacing filter at least once per year.
No pleat spacers, combs, or end caps required.
Filters quickly "pop" into position after removing from packaging.
Compact, collapsible design allows for easy storage.