Operational since 1975, DEL Ozone is one of the leaders in ozone sanitization technology worldwide. Located in San Luis Obispo, Calif., the firm specializes in providing expertise in ozone applications. It serves various markets, including residential/commercial pools/spas, commercial aquariums, food safety and industrial applications. DEL Ozone has produced and sold over 1,000,000 ozone systems worldwide with a complete ozone product line ranging from 0.2 grams per hour to 1200 grams per hour. Its ozone systems are UL (Underwriters Laboratories Inc.) and NSF (National Sanitation Foundation) listed.