Product Information Product Name : TX500Manufacturer: Acquired Wastewater Technologies, LLCOriginal Certification Date: 04/01/2004Certification Date: 01/01/2020Certification End Date: 01/01/2027Capacity: 500Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2000SPE#: n/a Approved Approved Aerators: Manufacturer: Thomas