I had looked at several brands on line. Filter smart appeared to be the best product at the best price. Unfortunately, when I ordered, they were on back order, so, I had to wait longer than I would like for the product. After installation however, I was very pleased. Also note that this product came with 8 pre-filters which will be good for a minimum of 4 years....I expect they will last longer and don't expect to spend any more money on water filters for about 10 years.