Product Information Product Name : Maxx Air M-840-ComboManufacturer: Enviro-Flo, Inc.Original Certification Date: 03/15/2026Certification Date: 03/15/2026Certification End Date: 03/15/2033Capacity: 840Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2023SPE#: 590 Approved Approved Aerators: Manufacturer: FujiMACFujiMAC model: MAC80RII Manufacturer: HiblowHi Blow model: HP-80 Manufacturer: SecohSecoh model: JDK-60 Manufacturer: SecohSecoh model: JDK-80 Manufacturer: ThomasThomas model: AP-60G Manufacturer: ThomasThomas model: AP-80G Approved Diffusers: Manufacturer: HiblowModel: TP-250 Polypropylene Approved Alarms: Manufacturer: Included on Aerator