Product Information Product Name : Solar Aerobic 500 PTManufacturer: Solar Aerobic Systems, LLCOriginal Certification Date: 05/02/2015Certification Date: 05/01/2020Certification End Date: 05/01/2027Capacity: 500Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2013SPE#: n/a Approved Approved Aerators: Manufacturer: HiblowHi Blow model: HP-60 Manufacturer: ThomasThomas model: AP-60 Approved Diffusers: Manufacturer: Kellundite Approved Alarms: Manufacturer: Included on Aerator