Luwa India Pvt. Ltd offers Automatic Rotary Drum Dust and Fiber Filter. Luwa India Pvt. Ltd. Also manufactures air conditioning and controls machines, heat recovery systems, filtration and waste handling system and air cleaning systems. The Automatic Rotary Drum Dust and Fiber Filter, also known as LDF, is used for filtration of a wide range of dust and fiber. The Automatic Rotary Drum Dust and Fiber Filter have air flow from outside to inside of the drum. This Filter has easy maintenance.