- Culligan D-40A Carbon Block Drinking Water Filter Replacement Cartridge .
- Level 4 Premium Filtration
- Reduces: Bad taste & odor, aesthetic chlorine taste & odor, sediment, lead, asbestos, cysts such as giardia & cryptosporidium, mercury, turbidity, atrazine, lindane and particulate class I
- 0.5 Micron carbon block cartridge.
- Use with Culligan US-600A
- NFS Tested and Certified
- Package includes: D-40A cartridge and cartridge change reminder sticker
- Filter life: 600 gallons or 6 months