| Property | Value |
|---|---|
| Promotion Restriction | Not eligible for promotion |
| Item - Roof Ventilators | Gravity Ventilator |
| Style - Roof Ventilators | Low Profile |
| Blade Dia. | 20 |
| Base Size - Roof Ventilators | 30 in x 30 in |
| CFM/Throat Velocity @ 0.050-In. SP Gravity Relief | 1435/638 |
| CFM/Throat Velocity @ 0.050-In. SP Gravity Intake | 1226/545 |
| CFM/Throat Velocity @ 0.250-In. SP Gravity Relief | 3209/1426 |
| CFM/Throat Velocity @ 0.250-In. SP Gravity Intake | 2741/1218 |
| Recommended 8 In. Fixed Curb Item No. | 4HX41 |
| Dimension D | 3 3/4 in |
| CFM/Throat Velocity @ 0.125-In. SP Gravity Intake | 1938/861 |
| Dimension B | 35 1/2 in |
| Recommended 12 In. Fixed Curb Item No. | 2RB79 |
| Item | Gravity Ventilator |
| Base Width (In.) | 30 |
| Dimension C (In.) | 11-1/4 |
| Construction Material | Spun Aluminum |
| Max. Intake CFM/Throat Velocity | 2658/1188 |
| CFM/Throat Velocity @ 0.100-In. SP Gravity Relief | 2029/902 |
| Dimension A | 30 in |
| Dimension C | 11 1/4 in |
| CFM/Throat Velocity @ 0.200-In. SP Gravity Intake | 2452/1090 |
| Overall Height (In.) | 13 in |
| Depth (In.) | 35 1/2 in |
| Width (In.) | 35 1/2 in |
| Fan Size (In.) | 20 |
| CFM/Throat Velocity @ 0.125-In. SP Gravity Relief | 2269/1008 |
| Dimension A (In.) | 30 |
| CFM/Throat Velocity @ 0.100-In. SP Gravity Intake | 1733/770 |
| Dimension D (In.) | 3-3/4 |
| Dimension B (In.) | 35-1/2 |
| CFM/Throat Velocity @ 0.200-In. SP Gravity Relief | 2870/1276 |
| Base Length (In.) | 30 |
| Exhaust Airflow @ 0.125 in SP | 2,269 cfm |
| Base Height | 1 3/4 in |
| Mount Type | Roof Curb |
| For Air Type | Clean Air |
| Exhaust Airflow @ 0.250 in SP | 3,209 cfm |
| Exhaust Airflow @ 0.100 in SP | 2,029 cfm |
| Base Width | 30 in |
| Base Length | 30 in |
| Includes | Birdscreen |
| Maximum Airflow | 2,658 cfm |
| Ventilation Type | Exhaust, Supply |
| Throat Area | 2.25 sq ft |
| Number of Filters | 0 |
| Maximum Static Pressure | 1/2 in wc |
| Housing Material | Aluminum |
| Supply Airflow @ 0.125 in SP | 1,938 cfm |
| Airflow @ Static Pressure | 1,226 cfm @ 0.050 in SP (Gravity Intake), 1,435 cfm @ 0.050 in SP (Gravity Relief), 1,733 cfm @ 0.100 in SP (Gravity Intake), 1,983 cfm @ 0.125 in SP (Gravity Intake), 2,029 cfm @ 0.100 in SP (Gravity Relief), 2,269 cfm @ 0.125 in SP (Gravity Relief), 2,452 cfm @ 0.200 in SP (Gravity Intake), 2,741 cfm @ 0.250 in SP (Gravity Intake), 2,870 cfm @ 0.200 in SP (Gravity Relief), 3,209 cfm @ 0.050 in SP (Gravity Relief) |
| Overall Height | 13 in |
| Housing Material Fabrication | Spun |
| Assembly | Fully Assembled |
| Damper Size | 18 x 18 in |
| Weight | 24 lb |
| Supply Airflow @ 0.250 in SP | 2,741 cfm |
| Overall Diameter | 35 1/2 in |
| Resistance Properties | Corrosion Resistant |
| Overall Width | 35 1/2 in |
| Overall Length | 30 in |
| Supply Airflow @ 0.100 in SP | 1,733 cfm |
| Intake Area | 4.43 sq ft |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |
Gravity Roof Vent, 30 In Sq Base, Dayton, Mfr#: 2RB72
$396,86
Free shipping will be applied on orders over $50
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 0
9999 in stock
Must order in multiples of 1
Subtotal:
$396.86
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