DASION Spiral Sand Washer 1. Simple structure, low power consumption; 2. Convenient maintenance, high efficiency DASION Spiral Sand Washer: 1. With different structure from Wheel Sand Washer, Spiral Sand washer has bigger capacity and better performance2. When using this kind of machine, more water is needed. Features and advantages of DASION Spiral Sand Washer:1. Simple structure, high level ...