Product Information Product Name : Micro Air 1000Manufacturer: Toshco Sewer SystemsOriginal Certification Date: 10/01/2017Certification Date: 10/01/2017Certification End Date: 10/01/2024Capacity: 1000Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2009SPE#: 166 Approved Approved Aerators: Manufacturer: HiblowModel: HP150Hi Blow model: HP-150-010A Approved Diffusers: Manufacturer: PVCModel: MA 516x2 Approved Alarms: Manufacturer: Included on Aerator