Grease Containment Fits Square Base Size Not Applicable Compatible Grainger Part Number 56JN96 56MW69 56MW70 56MW71 Material Plastic Galvanized Steel Includes Hardware Kit Curb Cap Support (2) Windband Support Brackets For Fan Type Upblast Fans For Fan Mounting Type Wall Mount Container Capacity 1 gal Standards AMCA NFPA 96 UL 762 Compatible Manufacturer Model Number Centrifugal Upblast Direct and Belt-Drive Exhaust Fan - Sidewall Mounted