Below you can find a table of various water filter manufacturers, and also information on where you can
purchase filters for each brand. You will find several large and medium size companies that manufacture water filters,
and many small companies. It is quite typical that small companies go out of business or get acquired.
Sometimes it is difficult to find a replacement cartridge for a specific manufacturer or brand.
Water filter manufacturers listed below are all reliable companies that have been in business for at least 10 years.
We offer several water filtration product lines made by these in our online store: Buy Water Filter.