I took pictures of the process and wrote up a quick guide.
Here's the guide -
http://www.paulstravelpictures.com/Culligan-IC-EZ-1-Drinking-Water-Filter-Installation-Guide/index.html
Now the water coming out of the kitchen sink's dispenser fountain
tastes just as great as the Dasani and Zephyrhills bottled water we
usually buy. To keep the convenience of having some bottles on hand,
we rinse and refill them a few times over before recycling them.
Cheers,
Paul Michaels
Fort Lauderdale, FL