The Culligan IC-100 Inline Water Filter is an excellent general purpose inline water filter. The Culligan IC-100 Water Filters can he found here:
http://www.waterfilters.net/Culligan...r_p_0-176.html
If you are looking for an inline water filter that removes more contaminants than you may want to take a look at the Culligan IC-EZ-4 Inline Water Filter. This Culligan IC-EZ-4 Inline Water Filter System has recently replaced the Culligan IC-1000 Inline Water Filter System. If you currently have the Culligan IC-1000 you can still purchase the IC-1000 replacement filters. The Culligan 1000R replacement filters can be found here:
http://www.waterfilters.net/culligan...igan-1000R.htm
If you are looking for a new system and want to take a look at the IC-EZ-4 Culligan Drinking Water System it can be found here:
http://www.waterfilters.net/Culligan...r_p_0-440.html
The Culligan IC-EZ-4 removes more contaminants that the Culligan IC-100 and would not require much work to switch to. Once you've switched to the Culligan IC-EZ-4 inline water filter system, replacing filters will become even easier. The head of the system stays connected and you simple twist off the old filter and twist on the new one. So if you're concerned about the quality of your water than the Culligan IC-EZ-4 is a good choice.