* Must Pay Full Amount * Features: - 2 in 1 sand and water blasting at the same time. Without blocking: - Effectively inhibits the diffusion of sand powder and prevents water vapor from reabsorbing without blocking the unique sand design, which prevents clogging giving greater efficiency. Precision sandblasting Nozzle: - Can be rotated 360 Easy to spray from any angle. Detachable for easy cleaning and maintenance. Press the button easily: - Precise control of blasting volume effectively avoids outflow of internal residual sand. International common interface: - All types of dental chairs with four holes are available. Alloy tungsten carbide nozzles: - Longer life, not easy to wear. Specifications: - Connector: 4 Hole. - Input water pressure: ≥50ml/min. - Sand amount: ≤9g/min. - Blasting hole: (0.60+0.05) mm. - Use powder range: 27-90 µm. - Operation air pressure: 0.4MPa. - Water jet capacity: 0.2MPa.