🌬️ Filtrete Allergen Delivery Assurance Review

I have been using these filters for 3 years and buy them in bulk from Amazon. I change the filter every three months as recommended and it catches a lot of dust, dirt etc (they turn white and come out grey). I would not recommend leaving this filter on for more than 3 months as it is only 1 inch thick and will no longer trap dust or allergens. I have the ability to fit a 4" filter in my return line, but found a few years ago that it slowed the flow of air into my ducts significantly. Since…

They'll let some dust particles through and fill the air when the stove or air conditioner is on, but hey, they're not described as effective for everything, no matter the size . They do their job very well, but if you want dust-free, ultra-clean air, you need a more stringent (and more expensive) filter. In the winter they last about a month (it says "up to 90 days"), but that's to be expected since I have an inefficient stove that works a lot and a large house with very high ceilings. One…

For years I used cheap blue fiberglass filters. Only my air conditioning is forced and I try not to use it that often. However, a few years ago I went to the attic to inspect the air handling unit and found that it was a bit dusty. I vacuumed it, cleaned the air duct, and then sprayed it with an air duct cleaner I found at a large store. I've been using Filtrete paper filters ever since. They do their job so well that I will be running a non-AC fan to circulate and clean the air. The filters do