Product Information Product Name : 1/1/2023Manufacturer: Enviro-Flo, Inc.Original Certification Date: 05/01/2015Certification Date: 05/01/2015Certification End Date: 05/01/2022Capacity: 1500Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2014SPE#: n/a Approved Approved Aerators: Manufacturer: HiblowModel: HP100 Approved Diffusers: Model: LP Approved Alarms: Manufacturer: Custom