Product Information Product Name : MA 500 SManufacturer: Acquired Wastewater Technologies, LLCOriginal Certification Date: 07/01/2000Certification Date: 07/01/2019Certification End Date: 07/01/2026Capacity: 500Material: SteelType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2005SPE#: 108 Approved Approved Aerators: Manufacturer: GastGast model: SPP-40GJL