Home Revolution Replacement Carbon Pre Filter, Fits Oreck AIR12B, AIRPS Super Air 7, AIR7B, AIR7C & XL Professional Air Purifier and 3-in1 Replacement Filter. Designed to fit: Oreck AIR12B, AIRPS Super Air 7, AIR7B, AIR7C & XL Professional Air Purifier air purifier models, compare to Oreck 3-in1 Replacement Filter. Replace with confidence: We back all of our products with a 100% satisfaction guarantee Breathe easy: Carbon pre filter removes even the smallest particles of allergens, impurities, and odors from the air and refreshes your home The Home Revolution Mantra: High-quality replacement products at a low price What you get: 1 carbon air purifier pre-filters