HEPA Air Purifiers Genuine Oreck Air Instinct AirInstinct 108 75 100 150 200 HEPA 3 Year Purifier Filter. Part Number: AIR108HPK1 Review March 28, 2018August 3, 2018 GracefulScorpion 0 Comments Air Purifiers, Cooling & Air Quality, Heating, Home & Kitchen This fits your . Make sure this fits by entering your model number. Genuine Oreck Part AirInstinct 75, 100, 150, 200, AIR 108 Part Number: AIR108HPK1