Product Information Product Name : Maxx Air M-1500Manufacturer: Enviro-Flo, Inc.Original Certification Date: 05/01/2015Certification Date: 05/01/2022Certification End Date: 05/01/2029Capacity: 1500Material: ConcreteType: Aerobic Treatment SystemClass: Class 1 Certifications SPE#: n/a Approved Approved Aerators: Model: HP-150 Approved Alarms: