HQRP 2-pack Filter Assembly Replacement (1 Inner 1 Outer Filter); | | This compound filter is H12 filtration class and retains 99.97% of particles down to 0.3 micron; | | Compatible with Bissell Easy Vac 3120 3130 Series Vacuums, part 203-7023 / 2037023 Replacement; | | HQRP filters are washable and reusable; For best results replace this filter every 4-6 Months; | | Compatible with Original filter; 2 weeks DOA replacement ! | |