Refurbished Waters Column Oven for use with the Waters Alliance HPLC. Available as column heater only (available part numbers: WAT270852 & WAT069881), column heater/cooler (available part numbers: 186001791, 289000560 & WAT270800) or cooler only (p/n 289000560). Please contact us for complete Waters HPLC details. (Waters column heater)