Features: Air flow and spray mist volume adjustable design, easier to use In the liquid without pressure output required to ensure that the air pressure in the range 5-7KGF / CM2 (atomization and gas, associated gas pressure) Use the liquid viscosity at 68cSt or less Save 60-80% lubricants compared with the oldest lubrication tube Specifications: Material: Plastic+metal+brass Fitment: For 8mm air pipe For CNC Lathe Milling Drill Machine. Cooling stone / metal / ceramic tile engraving machine Product Size: 50 x 30 x 20mm / 2 x 1.2 x 0.8inch Hose about 1.5m Transparent tube: 3 Meter Package Includes: 1 x Mist Coolant Spray System