Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 524cfm, Housing Material Al...Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 524 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB75, Compatible Damper Grainger Part Number 4HX38, Mount Type Roof Curb, Number of Filters 0more
Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 365 cfm, Housing Material Al...Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 365 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB75, Compatible Damper Grainger Part Number 4HX38, Mount Type Roof Curb, Number of Filters 0more
Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 2,029 cfm, Housing Material ...Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 2,029 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB79, Compatible Damper Grainger Part Number 4HX41, Mount Type Roof Curb, Number of Filters 0more
Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 2,971 cfm, Housing Material ...Gravity Ventilator, Exhaust Airflow @ 0.100 in SP 2,971 cfm, Housing Material Aluminum, Assembly Fully Assembled, Compatible Curb Grainger Part Number 2RB80, Compatible Damper Grainger Part Number 4HX42, Mount Type Roof Curb, Number of Filters 0more