Product Information Product Name : D-840-MManufacturer: Aeris AerobicsOriginal Certification Date: 06/02/2021Certification Date: 06/02/2021Certification End Date: 06/02/2028Capacity: 840Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2019SPE#: 386 Approved Approved Aerators: Manufacturer: HiblowHi Blow model: HP-80/80A Manufacturer: HiblowHi Blow model: XP-80/80A Manufacturer: SecohSecoh model: JDK-60 Approved Diffusers: Manufacturer: HiblowModel: TP-250 Polypropylene Approved Alarms: Manufacturer: Aeris AerobicsModel: Tran T2