Product Information Product Name : EC 500 C1Manufacturer: Acquired Wastewater Technologies, LLCOriginal Certification Date: 07/25/2019Certification Date: 07/25/2019Certification End Date: 07/25/2026Capacity: 500Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2023 Version Year of Original Standard: 2005SPE#: 109 Approved Approved Aerators: Manufacturer: GastModel: SPP-40GJLGast model: SPP-40GJL Manufacturer: SecohSecoh model: SLL-40 Manufacturer: SecohSecoh model: SLL-40-AL Manufacturer: SecohSecoh model: SLL-40-ALH Manufacturer: GastGast model: DBP-40 Manufacturer: GastGast model: DDL(101)-40 Manufacturer: GastGast model: DBM(101)-40 Manufacturer: GastGast model: DBM(175)-40 Manufacturer: Blue DiamondBlue Diamond model: ET40 Manufacturer: SecohSecoh model: JDK-40