Detailed Product Description PP filter cartridge :SPECIFICATIONS: MATERIAL: N6/N66 (Nylon)PORE SIZE: 0.10um, 0.20um, 0.45um, 0.65um1.0um, 3.0um, 5.0um etc. LENGTH: 5inch, 10inch, 20inch, 30inch, 40inchEND CAP CONFIGURATION: 1. Code 3 (222 Flat) 2. Code 8 (222 Fin)3. Code 2 (226 Flat) 4. Code 7 (226 Fin)5. DOEO-RING: 1. Silicone 2. Viton2. EPDM 3. TEV