Unfortunately, the Culligan GP-1 was discontinued several years ago. We have not been able to find a manufacturer that makes a glass pitcher.
All of our pitchers are located here:
http://www.waterfilters.net/Filters/waterpitchers/waterpitchers.htm
I would recommend the following pitcher:
http://www.waterfilters.net/Culligan-OP-1-Water-Filter-Pitcher_p_0-188.html
Thank you,
WaterFilters.NET