Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 1,375 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB77, Compatible Damper Grainger Part Number 4HX40, Mount Type Roof Curb, Number of Filters 0
Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 1,375 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB77, Compatible Damper Grainger Part Number 4HX40, Mount Type Roof Curb, Number of Filters 0