Douglas Products

Douglas ProTech HTF-PRO Inhibited Propylene Glycol Heat Transfer Fluid Douglas ProTech HTF-PRO is a premium inhibited propylene glycol heat transfer fluid designed to provide outstanding...

Douglas HTF Inhibited Propylene Glycol in 1 Gallon Containers   Recommended for: Block Ice Machines Circulating Beer Systems Closed Water Loop Refrigeration System Wood Boiler System Closed...