How Well Do You Know Your Furnace Filter(s)?November 8, 2017
Take this quiz and find out: The manufacturer recommends changing every 90 days or sooner. When was this last changed?
1. 60 days ago.
2. 90 days ago.
3. 91 days ago.
4. A really long time ago.
5. Anyone’s guess?
(See answer below)
This Filtrete “Healthy Living Advanced Allergen” filter, that is designed to…