3 ms·
What's interesting is that if you look on amazon, MERV 13 filters + Bungee Cords + 20" box fans are commonly ordered together. Further you can do a 20x20x4" ME
by bb88 3y ago
What's interesting is that if you look on amazon, MERV 13 filters + Bungee Cords + 20" box fans are commonly ordered together. Further you can do a 20x20x4" MERV 13 to increase the lifespan of the filters.
It also beats the price of buying specialized HEPA filters for a particular brand of air filter.