Product Information Product Name : P-850Manufacturer: Polypure Sytems, Inc.Original Certification Date: 10/01/2020Certification Date: 10/01/2020Certification End Date: 10/01/2027Capacity: 850Material: PolyethyleneType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2019SPE#: 370 Approved Approved Aerators: Manufacturer: HiblowHi Blow model: HP-120 Manufacturer: HiblowHi Blow model: HP-120LL Manufacturer: FujiMACFujiMAC model: MAC100RII Manufacturer: FujiMACFujiMAC model: MAC120RII Approved Diffusers: Manufacturer: HiblowModel: Dual TP-250