Gravity Roof Vent, 19 In Sq Base, 312 CFM
- Item# 2RB69
- Mfr. Model# 2RB69
- Catalog Page# 3709
- UNSPSC# 40101502
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- Item Gravity Ventilator
- Fan Size (In.) 10
- Width (In.) 20-1/2
- Depth (In.) 20-1/2
- Overall Height (In.) 9
- Base Width (In.) 19
- Base Length (In.) 19
- CFM/Throat Velocity @ 0.050-In. SP Gravity Intake 312/548
- CFM/Throat Velocity @ 0.050-In. SP Gravity Relief 370/650
- CFM/Throat Velocity @ 0.100-In. SP Gravity Intake 442/775
- CFM/Throat Velocity @ 0.100-In. SP Gravity Relief 524/919
- CFM/Throat Velocity @ 0.125-In. SP Gravity Intake 494/866
- CFM/Throat Velocity @ 0.125-In. SP Gravity Relief 586/1027
- CFM/Throat Velocity @ 0.200-In. SP Gravity Intake 624/1096
- CFM/Throat Velocity @ 0.200-In. SP Gravity Relief 741/1299
- CFM/Throat Velocity @ 0.250-In. SP Gravity Intake 698/1225
- CFM/Throat Velocity @ 0.250-In. SP Gravity Relief 828/1453
- Max. Intake CFM/Throat Velocity 1032/1801
- Construction Material Spun Aluminum
- Recommended 8 In. Fixed Curb Item No. 4HX38
- Recommended 12 In. Fixed Curb Item No. 2RB75
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