?Compatible Models?90304 Filter Is Compatible With Shop-Vac 90340 Sl16-575A Ss11-450 Ss12-300A Ss14-350A Ss14-550A Ss14-600C 16Rt500A 16Rtp550A 4045Ah 85L450 85L575 Ss16-450 Ss16-550A Ss16-650C 86Em350 86L500A 86M350 86Mt600C 86St450 87L500A 87L650C 87M350 87P500A 87P650C 92L550A 92L650C 92P650C Blb550 Blb560C Ch87-650C Lb650C Msc85Em300 Msc85L450 Msc85L500 Msc85L600C Msc85M250B Mscqpl55 Mscss12-250 Cartridge Filter For Wet Or Dry Pickup. | | ?Efficiency Filtration?This 90304 Filter Is Made Of High Quality Hepa Material, Absorption Efficiency Of Up To 99.97%, Effectively Captures Particles As Small As 0.3 Microns, Fine Dust, Pet Dander, Pollen And More, Can Significantly Improve Air Quality. | | ?Washable Reusable?The 90304 Shop Vac Filter Can Be Cleaned With A Cleaning Brush, Save You Money By Being Reusable When Dry. We Typi