Product Information Product Name : 500AGManufacturer: AeroGreen Technologies, LLC.Original Certification Date: 07/05/2017Certification Date: 07/05/2017Certification End Date: 07/05/2024Capacity: 500Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2009SPE#: 151 Approved Approved Aerators: Manufacturer: HiblowModel: HP60Hi Blow model: HP-60A Manufacturer: SecohModel: EL-60Secoh model: EL-60 Manufacturer: ThomasModel: AP60Thomas model: AP-60 Approved Diffusers: Manufacturer: HiblowModel: TP-250 Polypropylene Approved Alarms: Manufacturer: HiBlowModel: AG-60