Today at Home Depot they have these Arm and Hammer 12 pack of filters on sale for $49.50- as low as $4.12 each filter. These things are NOT cheap (which is why sales like this are nice) but they are so important to the quality of air in your home!
Home Depot: 50% off Select Arm & Hammer 12-Pack Air Filters As Low As $4.12 Each!
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