Review on Certified Performance Replacement Materials: Enhancing Compatibility for Optimal Results by Mike Schmidt

This company is very, very helpful. We had trouble installing the first filter we bought, not because there was something wrong with the filter, but simply because of user error. They were very patient with us and took us over the phone to have the filter installed. They are great, they only called to see if the filter was ok. I highly recommend these filters and this company.