Pressurized saline wash helps remove dirt and debris. Sting-free. First-Aid Cleansing & Irrigation: Pressurized to help remove debris, dirt and foreign material. No burning. No stinging. Gentle & effective. Revolutionary dispenser-upside down. Preservative and drug-free solution helps promote healing. No CFC: Contains no CFCs which deplete the ozone layer. See bottom of container for lot number and expiration date. Bag in can technology. Call 1-800-925-5080 M-F 9 am-5 pm ET. www.simplysaline.com.