Product Information Product Name : CA 500 TManufacturer: Acquired Wastewater Technologies, LLCOriginal Certification Date: 10/24/2015Certification Date: 10/24/2015Certification End Date: 10/24/2022Capacity: 500Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2012SPE#: 234 Approved Approved Aerators: Manufacturer: ThomasModel: TA-0030-PThomas model: TA-0030-P Manufacturer: SecohModel: HP80Secoh model: JDK-60 Approved Diffusers: Model: FAO-506 Stones 1/2" Approved Alarms: Manufacturer: Custom