Product Information Product Name : Maxx Air M-840Manufacturer: Enviro-Flo, Inc.Original Certification Date: 05/01/2024Certification Date: 05/01/2024Certification End Date: 05/01/2031Capacity: 840Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2023SPE#: 501 Approved Approved Aerators: Manufacturer: HiblowHi Blow model: HP-80