HQRP 2-Pack Washable H12 Cartridge Filter fits Shop-Vac QSP Quiet Deluxe 5867300, 5867500 Vac Coaster HQRP&reg; 2 Cartridge Filters plus HQRP&reg; Coaster; HQRP filters are washable and reusable! This PP compound filter is H12 filtration class and retains 99.97% of particles down to 0.3 micron. Dimensions: diameter: 7.4"; height: 6.7" 100% Compatible with Original filter; 2 weeks DOA replacement warranty!