These are the best of its class when it comes to 4 inch filters, and he most reasonably priced

Great product and filter for your money. I will definitely buy again

I love these filters. Once a year and you are done. Sams club had them at an affordable cost.

Love the dirt that these collect. It’s amazing.

Good filters. Good price.

Best filter available for severe allergies

We have been using these for our home and change these after each 6 months. SAMs promptly delivered the next day.

This is a good value for good filter. JUST tey buying on "A.com" or internet retailers and you will get religion.

Great price for these filters. We have been using them since we moved into our newly built home 2 1/2 years ago.

It is hard to find 4-inch-thick filters in the store it is nice to have " click and ship' available