Product Information Product Name : AS500LManufacturer: Ecological Tanks, Inc.Original Certification Date: 07/01/2020Certification Date: 07/01/2020Certification End Date: 07/01/2027Capacity: 500Material: FiberglassType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2019SPE#: 387 Certification: Certifications: NSF/ANSI Standard 245 Standard year: 2023 Version Year of Original Standard: 2019SPE#: 388 Approved Approved Aerators: Manufacturer: Jefe AireJefe Aire model: JA380 Approved Diffusers: Manufacturer: Ecological Tanks, Inc. Approved Alarms: Manufacturer: Included on Aerator