Air cleaner filters from Grainger can help remove dust, pollen, mold and bacteria from the air so you can breathe easier. A clean air cleaner filter is essential for individuals with breathing issues, such as asthma or allergies. Fresh replacement filters ensure that residential or commercial ventilation systems are functioning at peak performance. Grainger carries many replacement models, for all types of heating and air conditioning units. Choose from a large selection of air cleaner filters.