Product Information Product Name : Aqua-Flo AF1000Manufacturer: Enviro-Flo, Inc.Original Certification Date: 06/01/2019Certification Date: 06/01/2019Certification End Date: 06/01/2026Capacity: 1000Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2018SPE#: 341 Approved Approved Aerators: Manufacturer: ThomasThomas model: AP-80 Manufacturer: ThomasThomas model: AP-100 Approved Diffusers: Manufacturer: HiblowModel: 50SN000020 Approved Alarms: Manufacturer: Included on Aerator