Best filter on the market!! Cheapest place!

buy when on sale always have when need, good quality and quick to replace

These are the only ones that we will use. They do a good job.

Helped so much with allergens

Primo filters for furnace.

Filters do a great job of filtering the air in our home and keeping it cleaner.

Great product great price

Definitely worth the price.

All stuck together so I am unable to use them

Good product. However, continues to get more expensive with each purchase.