Ear wash ball Wash the earballs, also known as sucking balls, blowing dust balls, leather tigers, and leather blowers. It is a rubber-based tool with a spherical airbag at the bottom and a thin tubular air nozzle at the top for quickly inhaling a large amount of gas. It is originally used in hospitals for the treatment of ear diseases, and after swimming, it absorbs the water in the ear. It is now mostly used to blow away dust on wet objects, such as dust on keyboards and circuit boards. In the laboratory, the ear wash is mainly used for the quantitative extraction of liquid by the pipette, and the ear wash can also blow the powdery substance in the closed container. Now, ear wash ball and special equipment is not only analytical laboratories, also used in many occasions: watches, repair shop mechanic precision instruments, often take ear wash ball suck alcohol metal surface is sprayed for cleaning Parts; photography enthusiasts often use ear balls to blow away the dust on the surface of the lens; sometimes they use water-washing balls to absorb water and so on. Specifications are 30, 60, 90, 120 ml. Spun Rayon Thread Winder Machine Spun Rayon Thread Winder Machine,Angora Yarn Spool Winding Machine,Thread Coning Machine,Rayon Filament Winding Machine Ningbo Yongfu Textile Machinery Co., Ltd. , https://www.yfwinders.com