Ice Maker & Coffee Maker Connection Kit for Reverse Osmosis and Drinking Water Filters - 1/4" Connect your water filter system to refrigerators, coffee makers, water coolers, or other appliances 25 feet of 1/4" poly (LLDPE) tubing to reach your water appliance 1/4" quick connect tee fitting to splice your current line 1/4" quick connect inline ball valve to shut water off when you need to service your water appliance 1/4" ferrule and insert used on compression style fittings common on some refrigerators