Product Information Product Name : Omni Green G-500-PPManufacturer: Aerobic Systems Designs, Inc.Original Certification Date: 05/01/2016Certification Date: 05/01/2016Certification End Date: 05/01/2023Capacity: 500Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2013SPE#: 260 Approved Approved Aerators: Manufacturer: HiblowHi Blow model: HP-60A Manufacturer: MedoMedo model: LA-60B Manufacturer: SecohSecoh model: EL-60 Manufacturer: SecohSecoh model: JDK-60 Manufacturer: HiblowHi Blow model: XP-60A Approved Diffusers: Manufacturer: HiblowModel: TP-250 Polypropylene Approved Alarms: Manufacturer: Included on Aerator