Johnson CM10P7-1 mag drive circulation pump 12/24v for liquids –40°C to +100°C with 16-20 mm hose tailJohnson CM10P7 1 mag drive circulation pump 12 24v for liquids 40C to +100C with 16 20 mm hose tail Extreme operational reliability, compact, leak proof design For pumping water, antifreeze or coolants under hostile operating conditions Weather proof as well as dust proof, both the CM10 can be used in dirty or high humidity situations in vehicles or outdoor applications where the pump may be regularly subjected to road spray, adverse weather