Product Information Product Name : NuWater 600-PC-400 PTManufacturer: Enviro-Flo, Inc.Original Certification Date: 03/23/2016Certification Date: 03/23/2023Certification End Date: 03/23/2030Capacity: 600Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2009SPE#: 114 Approved Approved Aerators: Manufacturer: HiblowModel: Hakko HK60Hi Blow model: HP-60 Manufacturer: Hakko HK-60 Approved Alarms: Manufacturer: Included on Aerator