Skeleton angle inside the star dust bag deflated and more effective, blown dust bag inflated more coarse, more under certain circumstances airflow action, better cleaning effect. Ordinary dust is round inner skeleton, the inner skeleton of inner mention star-delta angle with a star (like the same five-star, but the angle to more than five-star), by means of the valve chamber when the cleaning switch, forming the reverse flow cleaning, expansion of the bag deflated or cleaning of. The raw materials are high quality low carbon steel wire, galvanized wire, stainless steel wire. Surface treatment is galvanized, spray, anti-corrosion treatment, surface silicone spray. Filter bag framework of the "ribs", it should be lightweight, easy to install and maintain; smooth, straight enables distributed filter from damage. For more information about our products, please leave a message online and telephone counseling.