www.waterfilters.net/Culligan-IC-EZ-4-Inline-Water-Filter.html
The Culligan IC-EZ-4 produces healthier, better-tasting drinking and cooking water. It features Culligan's quick change filter technology and quick-connect fittings for easy installation. The Culligan IC-EZ-4 inline filter has better filtration than the Culligan IC-EZ-3 water filter and Culligan IC-EZ-1 icemaker filter.