Product review (4 stars): Hand crafted from the rarest ingredients
By the price of these things, particularly in the real world, I'm assuming that refrigerator water filters contain precious metals, the organs of endangered animals, and moon dust.  And that they're individually hand-crafted by virgin artisans kept in a luxury hotel suite, employing the ancient art of filter-creation that has been handed down verbally, father-to-daughter-to-son for generations.