Perfect and work well, what else can you ask for?

Good price for quality product

Great value in the 4 pack

Great filters. Merve 12 is aggressive.

Great value, well made and works perfect.

Great value. Being on sale is even better. This is a great brand and the only one we buy.

Great filters for the price

Really good filters and a great price

What else can I say, allergen bacteria and virus-fighting elements!

They work as they are supposed to!