Product review (5 stars): very, VERY simple copper OR plastic pipe
It took less than 15 minutes to cut my copper pipe for a clean installation and hang / install the new filter - hook up. Simple - I was concerned at first that it only showed the plastic pipe installation - had no leaks - no problem with my copper pipe - just make sure you have a clean finish to install - push in - turn on - ready.  I do not have a drain that is showing - suggests drain / flush - when system hasn't been used for a while (like 10 days vacation) ... I'm not concerned about that - if it tastes bad I'll ditch the ice - if it still tastes bad - I'll replace the filter - simple.