So Safe 1-Micron Granulated Activated Carbon Chlorine Reducer Water Filter Cartridge White and Blue GAC-101-E/D

Enjoy cleaner, fresher water with this Filter Cartridge. It does a good job of reducing chlorine, which makes your water taste and smell better, and it's healthier for you overall. It's 2.5 inch in diameter and 10 inch in height, so it should fit in standard water filter systems.