Riccar 8000 & 8900 Series Micro Filtration Type B Bags 6 Pk Generic Part # 846 Riccar 8000 & 8900 Series 99.7% Micro Filtration Traps Microscopic Particles Type B Bags 6 Pk Fits Riccar Models 8600, 8625, 8650, 8850, 8750, 8900, 8920, 8925, 8955. Also Fits With Simplicity 7000 Series Generic Part # 846