Prestone Antifreeze Tester - AF1420 Part #: AF1420 Line: PRS Prestone Antifreeze Tester Manufacturer's Defect Warranty Diameter (in): 2 Inch Diameter (mm): 50mm Type: Antifreeze Tester Length (in): 12 Inch Length (mm): 300mm Temperature Range (Deg F): 33 to 100 Degree Adapter Included: No Flexible Nozzle: Yes Nozzle Length (in): 6 Inch Show More Show Less