20-inch Big Blue Filters
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Big Blue 20-inch Sediment Filter - 5-micron
$27.0020" Big Blue 5 micron sediment filter Product Features 5µ Removes particulates as small as 5 microns Replaces SEDBB20 Identical product, updated partSD-4520-5$27.00 -
Big Blue 20-inch Carbon Filter 5-micron
$62.00Big Blue 20" Carbon Block Filter (replaces CABBB20) Product Features 5µ Carbon Block Solid carbon for removal of chlorine, tastes, odors, and chemicals ReplCB-4520-5$62.00 -
Big Blue 20-inch Bone Char Carbon Filter - Reduces or Removes Fluoride, Arsenic, Radioactive Particles, and Toxic Metals
$179.00Transform your water quality with the Big Blue 20-inch Bone Char Carbon Filter. Designed to not only enhance standard filtration, this advanced filter effectively reduces or removes harmful...BC-4520$179.00 -
Big Blue 20-inch Sediment Filter - 1-micron
$34.0020" Big Blue 1 micron sediment filter Product Features 5µ Removes particulates as small as 1 micron Big Blue 20" Fits Big Blue housings used on someSD-4520-1$34.00 -
Big Blue 20-inch Radial Flow Carbon
$73.00The Radial Flow Carbon Filter features a unique design that offers the benefits of granular activated carbon, but prevents slow carbon leaks that can be associated with GAC style cartridges. The...RF-4520-20$73.00 -
Big Blue 20-inch Activated Alumina Filter for Fluoride, Arsenic, and Lead
$149.00Experience the purity of clean, safe drinking water with the Big Blue 20-inch Activated Alumina Filter. This essential cartridge not only enhances your existing 20" Big Blue filter system but...AA-4520$149.00 -
Big Blue 20-inch GAC/KDF 55 Filter
$99.00The Big Blue 20" GAC/KDF 55 filter can be used to replace a current filter or upgrade from the carbon block filter or standard GAC filter. The KDF 55 media enables the filter to remove heavy...GC-4520-55$99.00 -
Big Blue 20-inch pH Filter
$89.00The Big Blue 20" pH filter contains a blend of calcite and corosex that dissolves slowly in water to neutralize acid. It also contains GAC for optimal flow and treatment of tastes and odors...PH-4520$89.00 -
Big Blue 20-inch Catalytic Carbon/KDF 85 Filter
$162.00The Big Blue 20" Catalytic Carbon/KDF 85 filter can be used to replace a current filter or upgrade from the carbon block filter or standard GAC filter. The KDF-85 media enables the filter to remove...CC-4520-85$162.00 -
Big Blue 20-inch AdEdge Bayoxide® E33 Filter for Arsenic
$209.00The Big Blue 20-inch AdEdge Bayoxide® E33 filter is the optimal solution for tackling arsenic contamination in your water supply. Designed to seamlessly fit all standard 20-inch Big Blue filter...AE-4520-E33$209.00 -
Big Blue 20-inch Big Blue Phosphate Filter for Scale Prevention
$249.00The Big Blue 20" phosphate filter Contains a slow-melt polyphosphate that dissolves slowly in water to inhibit scale and rust build-up. This type of treatment is recommended for use with ice...PO-4520$249.00 -
Big Blue 20-inch Catalytic Carbon Filter
$99.00The Big Blue 20" Catalytic Carbon/KDF 85 filter can be used to replace a current filter or upgrade from the carbon block filter or standard GAC filter. The KDF-85 media enables the filter to remove...CC-4520$99.00 -
Big Blue 20-inch GAC Filter
$62.00The Big Blue 20" GAC filter can be used to replace a current filter or upgrade from the standard carbon block filter. The filter measures 4.5-inch in diameter and 20-inch long and fits all standard...GC-4520$62.00 -
Big Blue 20-inch Catalytic Carbon/5# KDF 85 Filter
$184.00The Big Blue 20" Catalytic Carbon/KDF 85 filter can be used to replace a current filter or upgrade from the carbon block filter or standard GAC filter. The KDF-85 media enables the filter to remove...CC-4520-855$184.00 -
Big Blue 20-inch Empty Cartridge Shell
$26.00The Big Blue 20" empty cartridge shell allows you to make your own custom whole house filter to treat exactly what you want in your water. Or, you can save money and refill it after the media is...EC-4520$26.00