AEROSTRIP fine bubble diffusers have the highest proven energy-efficiency and longest documented service life in the world. The secrets of its performance are advanced perforation technology, the use of a high-strength polyurethane membrane and a diffuser design allowing for high bottom coverage. Ovivo can guarantee clean water transfer efficiencies of 8.5–10% per meter (2.6–3.0% per ft) SWD in virtually all applications. Ovivo is the licensee of the AEROSTRIP technology in the United States and its territories, Australia, Canada, India, Singapore and New Zealand, with pending agency in Spain and South Africa.