Refrigerator water filters can be expensive, and with so many alternatives on the market, finding the right one can be a challenge. From expensive name-brand filters to cheap alternatives, deciding which one to choose can be confusing. If you've used brand-name filters, whether it's a Whirlpool W10295370A filter  replacement or a Kenmore refrigerator filter replacement, you know they can be expensive. Some single-use filters cost up to $60, which means the cost adds up if you're recommende...