| Base Height | 1 3/4 in |
| Base Length (In.), Base Width (In.), Dimension A (In.) | 22 |
| Base Length, Base Width, Dimension A, Overall Length | 22 in |
| Base Size - Roof Ventilators | 22 in x 22 in |
| Blade Dia. | 12", 12 in |
| Brand | Dayton |
| CFM/Throat Velocity @ 0.050-In. SP Gravity Intake | 448/546 |
| CFM/Throat Velocity @ 0.050-In. SP Gravity Relief | 523/638 |
| CFM/Throat Velocity @ 0.100-In. SP Gravity Intake | 633/772 |
| CFM/Throat Velocity @ 0.100-In. SP Gravity Relief | 740/903 |
| CFM/Throat Velocity @ 0.125-In. SP Gravity Intake | 708/863 |
| CFM/Throat Velocity @ 0.125-In. SP Gravity Relief | 828/1009 |
| CFM/Throat Velocity @ 0.200-In. SP Gravity Intake | 895/1092 |
| CFM/Throat Velocity @ 0.200-In. SP Gravity Relief | 1047/1277 |
| CFM/Throat Velocity @ 0.250-In. SP Gravity Intake | 1001/1221 |
| CFM/Throat Velocity @ 0.250-In. SP Gravity Relief | 1171/1428 |
| Color | Silver |
| Construction Material | Spun Aluminum |
| Current Stock | 47 |
| Damper Size | 12 x 12 in |
| Depth (In.), Dimension B, Overall Diameter, Overall Width, Width (In.) | 29 in |
| Dimension B (In.) | 29 |
| Dimension C | 10 in |
| Dimension C (In.) | 10 |
| Dimension D | 3 1/2 in |
| Dimension D (In.) | 3-1/2 |
| Fan Size (In.) | 12 |
| International Shipping | No |
| Item, Item - Roof Ventilators | Gravity Ventilator |
| Lead Time | Expected to ship in 1-2 business days |
| Max. Intake CFM/Throat Velocity | 1512/1848 |
| Mpn | 2RB70 |
| Overall Height, Overall Height (In.) | 11 3/4 in |
| Recommended 12 In. Fixed Curb Item No. | 2RB76 |
| Recommended 8 In. Fixed Curb Item No. | 4HX39 |
| SKU | ZO-G0777287 |
| Style - Roof Ventilators | Low Profile |
| UPC | 190735229576 |