• Carbon Block Filter
• NSF Certified
• Reduces lead, cryptosporidium & giardia cysts
• Improves taste, reduces odor & chlorine
• Reduces rust & sediment
• 0.5 micron rating
• Stage 2/Filter life: Approx 4 months
• CB3-SS6-S06

* * * NOTE:    Before purchasing this cartridge, check your system's model number. The CB3 measures 2.87" or  0.15" greater than previous cartridges.