20-inch Big Blue 2 Stage Filter Kit - Sediment and Nitrate
- Ships within 1-2 days
- Replacement or upgrade for standard Big Blue systems
- Sediment filter - 5-micron
- 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. The nitrate filter reduces both nitrates and nitrates to provide safer water.