Product review (4 stars): Great product, made in the USA!
Fit and function is comparable to OEM supplied filter. Keeping in mind that none of these filters are designed to do anything other than remove odors and taste; If your water isn't safe to drink, a refrigerator filter isn't going to change that. It does not have the certs that are included on the OEM, but I'm sure construction and materials are very similar. If they're building the same thing, I don't need them to pay for the endorsement and charge me for them. I can just expect that it will perform nearly the same. Quoting the movie Tommy Boy, If you want me to take a dump in a box and mark it guaranteed, I will... [...]

Bottom line: Fit is fine, flow is similar, taste is clean. Great product, made in the USA!