Sturdy, quality filters that filter out smaller particles.

Sturdy, quality filters that filter out smaller particles.  Read Less

Easy to install, very effective in a humid, pollen laden area.

Easy to install, very effective in a humid, pollen laden area.  Read Less

I swap in a new white filter every 60 days and the old one is gray already

I swap in a new white filter every 60 days and the old one is gray already  Read Less

Up graded to these hospital grade filters after i learned that the ultra allergen filters weren't capable of removing pm2.

Up graded to these hospital grade filters after i learned that the ultra allergen filters weren't capable of removing pm2.  Read Less

The pricing and quality of these filters was excellent.

The pricing and quality of these filters was excellent.  Read Less

The filers always arrive when promised or sooner, and in good condition.

The filers always arrive when promised or sooner, and in good condition.  Read Less

I am very pleased with the performance of these filters compared to other brands and merv ratings that i've tried throughout the years.

I am very pleased with the performance of these filters compared to other brands and merv ratings that i've tried throughout the years.  Read Less

Filters seem to work very well and cost less than other brands.

Filters seem to work very well and cost less than other brands.  Read Less

I don't notice any difference between these and the much more expensive ones i used to purchase.

I don't notice any difference between these and the much more expensive ones i used to purchase.  Read Less

Sizing was a few millimeters different than the 3m filters at the hardware stores.

Sizing was a few millimeters different than the 3m filters at the hardware stores.  Read Less