The FlexAir™ T-Series diffuser unit is a fine pore, flexible membrane diffuser capable of providing a high level of oxygen transfer efficiency with maximum operating flexibility. T-Series units are configured with a premium quality EPDM rubber membrane sleeve specifically perforated for high volumetric air-handling capacity. For industrial and non-standard domestic applications, alternate membrane materials including urethane, silicone, and other specialty polymers are available. Alternate perforation patterns are available for energy sensitive applications or where maximum oxygen transfer efficiency is desired. EDI also offers a variety of sizes of diffusers to meet airflow requirements.