Product Information Product Name : D-600-NR-PTManufacturer: Aeris AerobicsOriginal Certification Date: 07/01/2020Certification Date: 07/01/2020Certification End Date: 07/01/2027Capacity: 600Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 245 Standard year: 2019 Version Year of Original Standard: 2019SPE#: 327 Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2019SPE#: 327 Approved Approved Aerators: Manufacturer: HiblowHi Blow model: HP-60A Duo Port Approved Diffusers: Manufacturer: HiblowModel: TP-500 Polyvinyl Chloride Approved Alarms: Manufacturer: Included on Aerator