20-inch Big Blue Filters

The 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 exhausted several times over. It includes the shell,...

The 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 metals, including lead, mercury, and iron. The filter...

20" Big Blue 5 micron sediment filter Product Features Pleated for high flow and great holding capacity Removes particulates  4.5" x 20" standard big blue replacement size Fits Big Blue housings used on some whole house filter systems Removes...

The Matrikx Pb1 filter provides 0.5 micron nominal filtration along with reduction of lead, chlorine, cyst, heavy metals and a wide range of chemicals. Filter is ~4.5"x20" and fits standard Big Blue filter housings Product Features Matrikx 0.5...

Nitrate/nitrite reduction filter Aries brand - made in the USA Standard 4.5-inch x 20-inch filters Aries AF-20-3610-BB Standard Big Blue filter fits standard 4.5-inch x 20-inch housings. Nitrate filter reduces nitrates and nitrites in the water,...

20" Big Blue 1 micron sediment filter Product Features 10 micron Removes particulates as small as 10 microns Big Blue 20" Fits Big Blue housings used on some whole house filter systems Removes sediment Traps dirt, sand, and particulates Standard...