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1.Composition: 100%polypropylene
2..Usage: We produce pp core for pleated water filter cartridge production.
3.Specifications:
-Length: 10'', 20'', 30''
-Inner diameter: 33mm
-Outer diameter: 63mm, 64mm, 68mm
4.Packing: 65sets/carton
5.One set: inner core+out core+two caps