Citrus Magic Solid Air Freshener provides convenient and continuous odor control that lasts. Using a unique formula, the solid air freshener works to absorb odors while the fresh, clean scent fills the air. Use for continuous freshening in 'large problem areas' like basements, garages, pet areas, and many more. Lasts approximately 4-6 months. Using a unique formula of baking soda, activated charcoal and powerful odor eliminators, the Citrus Magic Fresh Natural Odor-Absorbing Citrus Air Freshener absorbs even the toughest smells.