HQRP Inner & Outer Circular Filter for Bissell PowerForce Compact 23T7V; 23T75, 23T76, 23T78 Vacuum Cleaner Plus Coaster HQRP&reg; Filter Assembly Replacement (1 Inner & 1 Outer Filter) plus HQRP&reg; Coaster; This PP compound filter is H12 filtration class and retains 99.95% of particles down to 0.3 micron. HQRP filters are washable and reusable! Compatible with Original filter; 2 weeks DOA replacement warranty!