Product Information Product Name : EC 1500 C1Manufacturer: Acquired Wastewater Technologies, LLCOriginal Certification Date: 09/10/2015Certification Date: 09/10/2015Certification End Date: 09/10/2022Capacity: 1500Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications Certification: Certifications: NSF/ANSI Standard 40 Standard year: 2019 Version Year of Original Standard: 2005SPE#: 109 Approved Approved Aerators: Manufacturer: GastModel: HP120Gast model: SPP-100JGL Manufacturer: GastGast model: DBMX(101)-120 Manufacturer: GastGast model: DBMX(175)-120 Manufacturer: SecohSecoh model: JDK-120 Approved Diffusers: Manufacturer: DifMD2 Approved Alarms: Manufacturer: HiBlow