Product Information Product Name : D-750-SManufacturer: Aeris AerobicsOriginal Certification Date: 03/30/2020Certification Date: 03/30/2020Certification End Date: 03/30/2027Capacity: 750Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2019SPE#: 358 Approved Approved Aerators: Manufacturer: HiblowHi Blow model: HP-60/60A Manufacturer: HiblowHi Blow model: XP-60/60A Approved Diffusers: Manufacturer: HiblowModel: Dual TP-250