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Gravity Roof Vent, 22 In Sq Base

DAYTON

Price: $243.50 / each

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  • Item # 2RB70
  • Mfr. Model # 2RB70
  • UNSPSC # 40101502
  • Catalog Page # 4147
  • Shipping Weight 15.65 lbs.
Country of Origin USACountry of Origin is subject to change.

Technical Specs

  • ItemGravity Ventilator
  • Fan Size (In.)12
  • Width (In.)29
  • Depth (In.)29
  • Overall Height (In.)11-3/4
  • Base Width (In.)22
  • Base Length (In.)22
  • CFM/Throat Velocity @ 0.050-In. SP Gravity Intake448/546
  • CFM/Throat Velocity @ 0.050-In. SP Gravity Relief523/638
  • CFM/Throat Velocity @ 0.100-In. SP Gravity Intake633/772
  • CFM/Throat Velocity @ 0.100-In. SP Gravity Relief740/903
  • CFM/Throat Velocity @ 0.125-In. SP Gravity Intake708/863
  • CFM/Throat Velocity @ 0.125-In. SP Gravity Relief828/1009
  • CFM/Throat Velocity @ 0.200-In. SP Gravity Intake895/1092
  • CFM/Throat Velocity @ 0.200-In. SP Gravity Relief1047/1277
  • CFM/Throat Velocity @ 0.250-In. SP Gravity Intake1001/1221
  • CFM/Throat Velocity @ 0.250-In. SP Gravity Relief1171/1428
  • Max. Intake CFM/Throat Velocity1512/1848
  • Construction MaterialSpun Aluminum
  • Recommended 8 In. Fixed Curb Item No.4HX39
  • Recommended 12 In. Fixed Curb Item No.2RB76
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Details

Low-Profile Gravity Roof Ventilators
Designed for exhaust or supply applications on natural gravity or positive pressure systems. Low-profile hoods have rigid aluminum, corrosion-resistant construction. Integral birdscreen. Built-in curb cap with prepunched holes for easy attachment to roof curb.

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