Outer Diameter: 5.44 Inches (138.18 MM)Inner Diameter: 3.19 Inches (81.03 MM)Length: 12.67 Inches (321.82 MM)Efficiency: N/AEfficiency Test Std: ISO 5011Alternate Part: P535770-FLAME RETARDANTPrimary Application: DONALDSON FPG07 AIR CLEANERSRelated Part: P829332 SAFETY