Exair® Cold Air Gun Coolant System w/Dual Point Hose, 15 SCFM - 5213 - 99-001-171 Replace messy mist systems - improve dry machining with clean, cold air. A steady stream of cold air helps prevent burning and wheel loading, while extending tool life on dry machining operations. Operates on shop air without moving parts and no electricity. Cone Nozzle: 1/4" Features: A flexible hose directs cold air stream to the precise point of heat build-up while clearing chips away. Produces a stream of cold clean air at 50°F below air supply temperature. Magnetic base provides fast, easy mounting.