Product Information Product Name : NuWater B-600-PManufacturer: Enviro-Flo, Inc.Original Certification Date: 06/22/2015Certification Date: 06/22/2015Certification End Date: 06/22/2022Capacity: 600Material: PolyethyleneType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2013SPE#: 251 Approved Approved Aerators: Manufacturer: HiblowModel: HP60Hi Blow model: HP-60 Approved Alarms: Manufacturer: Included on Aerator