Product review (5 stars): Perfect Filter
Basically I need this filter to work in order to keep filtered water in my refrigerator.  For some reason this is a difficult item to purchase at your local hardware store or big box hardware store.  Having the ability to purchase the item, at a reasonable price through Amazon make it worth it.  Not only do I drink from the filtered water dispenser but I only provide my dogs with filtered water.  They can tell the difference and have difficulty drinking water from any other source.  Trust the nose of a dog as it is extremely sensitive.  They can detect the purity of the water.