Product Information Product Name : Advanced Air 600Manufacturer: National Wastewater Systems, Inc.Original Certification Date: 10/01/2020Certification Date: 10/01/2020Certification End Date: 10/01/2027Capacity: 600Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2019SPE#: 375
