Citrus II-Solid Air Freshener offers lasting dual-action by absorbing odors in the healthcare environment & freshening the air. Ideal for doctors' offices, hospitals, nursing homes & home care. Using a unique formula with activated charcoal, Citrus II Solid Air Freshener quickly absorbs odors & freshens the air with a lemon scent. Opened disk of air freshener provides convenient, continuous, odor control that freshens up to 60 days & is effective in areas up to 350 square feet.