Nu-Calgon 4182-24 Leak Detector

Cal Blue Plus, Noncorrosive, Oxygen-Safe, Liquid Spray Bottle Cal-Blue Plus has outstanding freeze-protection down to 5F Cal-Blue products are the complete gas leak detector ‘ Leak Detector, Cal Blue Plus, Noncorrosive, Oxygen-Safe, Liquid Spray Bottle, Size 1 qt., Color Blue, Temp. Range (F) 5 to 220, For Use With Refrigerant and Other Pressurized Systems, Includes Spray Bottle ‘