For use with the Culligan Easy-Change Inline Refrigerator Water Filter IC 750, this cartridge improves the taste of water and ice while reducing chlorine odor, lead, mercury, copper, zinc and more. Replace the cartridge every 12 months with no messy hassle, fittings or buckets—just twist off the old one and twist on the new one. It"s that simple. Filter sold separately. Made in USA. 11-1/2Hx3Wx2-1/5D".