Water Fed Pneumatic Air PolisherPneumatic Air Polisher Wet Stone Sander with Brass Fittings & Plastic Backing Head (Includes 1m Hose) Heavy Duty Performance: This professional grade wet air polisher is designed for high efficiency sanding and polishing of granite, marble, porcelain, engineered stone, ceramic, and fiberglass. Built to withstand continuous use, it's an ideal tool for stone fabrication professionals. Featuring a water fed system through the central spindle, ensuring