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 Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1Air spread and spray mist volume adjustable design, easier to use. 2In the liquid without pressure output required to ensure that the air pressure in the range 5-7KGF / CM2 (atomization and gas, associated gas pressure) 3Use the liquid viscosity at 68cSt or less. 4Save 6080% lubricants compared with the oldest lubrication tube. 5Material: Plastic+metal+brass