Product Information Product Name : AR600AManufacturer: Arrows Precast ConcreteOriginal Certification Date: 05/01/2017Certification Date: 05/01/2024Certification End Date: 05/01/2031Capacity: 600Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2013SPE#: 279 Approved Approved Aerators: Manufacturer: Blue DiamondModel: Blue Diamond ET60Blue Diamond model: ET60 Manufacturer: Blue DiamondModel: Blue Diamond ET80Blue Diamond model: ET80 Manufacturer: HiblowModel: HP80Hi Blow model: HP-80/80A Manufacturer: SecohModel: JDKSecoh model: JDK-60 Approved Diffusers: Manufacturer: HiblowModel: Hiblow Polypropylene Model TP-250 Approved Alarms: Manufacturer: Included on Aerator