Product Information Product Name : UltraAire UA500C2Manufacturer: Acquired Wastewater Technologies, LLCOriginal Certification Date: 11/01/2021Certification Date: 11/01/2021Certification End Date: 11/01/2028Capacity: 500Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2019SPE#: 373 Approved Approved Aerators: Manufacturer: SecohSecoh model: JDK-60 Approved Diffusers: Manufacturer: AWTModel: D100P (TP-13A) Approved Alarms: Manufacturer: Included on Aerator