Description
- Replacement or upgrade for standard Big Blue systems
- Sediment filter - 5-micron
- Carbon block filter
- Nitrate filter
- Standard 4.5-inch x 20-inch filters
Replacement Big Blue filters. The initial sediment filter reduces sand, sediment, dirt, and other particulates. Carbon block filter reduces a wide range of tastes, odors, and chemicals. Finally, the nitrate filter reduces both nitrates and nitrates to provide safer water.
