WaterFilters.NET 20 x 4.5 Inch Replacement Filters

The WaterFilters.NET 20 x 4.5 Inch filter can be used in all #20 Big Blue or #20 Big Boy housings.Select your WaterFilters.NET 20 x 4.5 Inch Replacement Water Filter below. WaterFilters.NET 20 x 4.5 Inch Replacement Cartridges have different specifications. Choose the WaterFilters.NET 20 x 4.5 Inch Replacement Water Filter that meets your specific requirements. Email customerservice@waterfilters.net if you cannot find your WaterFilters.NET water filters.