HQRP 2-Pack Replacement HEPA Filters; | | Replacement for Dirt Devil Universal F1 Filter Part Number(s) 2JC0360000 / 3JC0360000 or 2JC0280000 / 3JC0280000; Compatible with Dirt Devil bagless upright models made in March 2003 and later; | | Dimensions: L - 8", OD bottom - 3", OD top - 2.75", ID - 1.7"; | | This filter is Sub-HEPA filtration class H12 and retains 99.97% of particles down to 0.3 micron; | | Compatible with Original filter; 2 weeks DOA replacement ! | |