FRESH PRODUCTS Cover Refill Citrus Odor/Scent Air freshener dispenser uses the fragranced cover of the dispenser as the air freshener refill itself. Air freshener dispenser uses the fragranced cover of the dispenser as the air freshener refill itself. Simply take off-the old cover/refill and replace it with a fresh one Each cover is composed of a unique material containing fragrance that is released over 30 days Refills are 100% recyclable and VOC-compliant. Manufactured with over 50% less energy than typical plastic or steel containers. Scented covers fit air freshener dispenser