Product Information Product Name : AS500LManufacturer: Ecological Tanks, Inc.Original Certification Date: 07/01/2008Certification Date: 06/11/2026Certification End Date: 06/11/2033Capacity: 500Material: FiberglassType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2008SPE#: 612 Approved Approved Aerators: Manufacturer: Jefe AireJefe Aire model: JA380 Manufacturer: GastGast model: RV03-560-G649DX Approved Diffusers: Manufacturer: Ecological Tanks, Inc. Approved Alarms: Manufacturer: Included on Aerator