1. Material:polypropylene 2. size:5,'',10'',20'',30'',40'' 3. modle: slim, jumbo 4. pp filter cartridges 5. manufacture ... :LvYuan/OEMModel Number:LY-PPFColor:whiteSize:5,10,20,30,40 inchQuality:ExcellentInner diameter:28,30mmOuter diameter:60~62mmInterface:flat type ...