Product Information Product Name : D-840CManufacturer: Aeris AerobicsOriginal Certification Date: 03/18/2024Certification Date: 03/18/2024Certification End Date: 03/18/2031Capacity: 840Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2023SPE#: 479 Approved Approved Aerators: Manufacturer: HiblowHi Blow model: HP-80 Manufacturer: HiblowHi Blow model: HP-100 Manufacturer: SecohSecoh model: JDK-60 Manufacturer: SecohSecoh model: JDK-80 Approved Diffusers: Manufacturer: HiblowModel: TP-250 Polypropylene Approved Alarms: Manufacturer: Aeris AerobicsModel: Tran T2