Freshen large spaces for up to 30 days without the use of batteries with FRESH-N-UPS Air Fresheners. Each ATCO FRESH-N-UPS refill is a solid that has been infused with natural fragrance oils so there's no messy gels or liquids to manage. Each FRESH-N-UPS can be placed anywhere odors are a problem in the workplace or used in ATCO's FRESH-N-UPS Cabinet. The open-air design of each FRESH-N-UPS refill creates a maximum surface area exposure and space for air flow which provides effective and efficient fragrance release. Available fragrances - Cotton Blossom, Cucumber Melon, Honeysuckle and Mango.