Universal refrigerator replacement water filters. These filters are manufactured by Omnipure and 3M Purification (Cuno) and offer a high quality, low cost alternative to the more expensive original equipment replacements. Many consumers unknowingly assume they need to buy their refrigerator water filters from the original manufacturer. Every refrigerator purchased includes an insert that can be used to seal the water filter port. We suggest the installation of an inline water filter. KleenWater.com offers other related refrigerator filter options such as: Sears Kenmore refrigerator water filters, Samsung refrigerator water filters and refrigerator water filters general index.