Detailed Product Description Features: 1) Filter media: cellulose with flame retardant treatment 2) Source of media: USA 3) Great filter surface and airflow 4) Uniform pleat spacing is maintained 5) Cartridge with or without outer mesh available, construction without out mesh is good for agglomerative dust release 6) Hot melt spiral beading to maintain full filtering surface area Construction: 1) Shape: cylindrical 2) Top cap: open steel plate, no rust 3) End cap: open or closed steel plate, no rust 4) Filter surface: various available 5) Inner core: galvanized mesh 6) Outer core: galvanized mesh or none 7) Gasket: specialty rubber to ensure airtight sealing Chemical resistance: 1) Hydrolysis resistance: fair 2) Acid resistance: fair 3) Alkaline resistance: fair Dust release: good Applicable temperature: 65 oC Specifications: Both the size of the cartridge and the shape of the caps are available in various specifications. All configurations are changeable to meet the optimum performance of your applications. Please contact us directly for more technical information. Inner packing: polybag Outer packing: carton