... It has many good features, such as long fiber of filter media, high intensity, high dirt holding capacity, high filtration efficiency ... : Polypropylene center tube≤0.6MPa, stainless center tube≤0.8MPa Filter media: Premium absorbent cotton, polypropylene, acrylic fiber, glass fiber, bulk ... "(150+24mm)70"(1750+28mm)/ 80"(2000+32mm) 390X308mm (W x H)Packing:plywood case pp String Wound Filter Machine