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GRAVITY VENT,20 IN,BASE 24 1/2 IN close
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GRAVITY VENT,20 IN,BASE 24 1/2 IN

DAYTON

http://catalogue.acklandsgrainger.com/2017?hybris=true
  • Item # GFN3FKE1
  • Mfr. Model # 3FKE1
  • UNSPSC # 40101502
  • CATALOGUE PAGE # N/A
  • Shipping Weight 216.0 lbs

Technical Specs

  • Damper Size (In.) 21 x 21
  • Depth (In.) 48
  • Item Gravity Ventilator
  • Overall Height (In.) 38
  • Width (In.) 38
  • Recommended 12 In. Fixed Curb Item No. 3FLT5
  • Recommended 12 3/8"H Roof Curb Item No. 2ZV83
  • Recommended Gravity Backdraft Damper Item No. 3HHL6
  • Recommended 6 3/8"H Roof Curb Item No. 4C454
  • CFM/Throat Velocity @ 0.050-In. SP Gravity Intake 1,599/457
  • Construction Material Galvanized Steel
  • CFM/Throat Velocity @ 0.050-In. SP Gravity Relief 1,782/509
  • CFM/Throat Velocity @ 0.100-In. SP Gravity Relief 2,520/720
  • CFM/Throat Velocity @ 0.125-In. SP Gravity Intake 2,461/703
  • CFM/Throat Velocity @ 0.100-In. SP Gravity Intake 2,201/629
  • CFM/Throat Velocity @ 0.125-In. SP Gravity Relief 2,818/805
  • CFM/Throat Velocity @ 0.200-In. SP Gravity Intake 3,112/889
  • CFM/Throat Velocity @ 0.200-In. SP Gravity Relief 3,565/1,018
  • CFM/Throat Velocity @ 0.250-In. SP Gravity Relief 3,985/1,139
  • CFM/Throat Velocity @ 0.250-In. SP Gravity Intake 3,480/994
  • Max. Intake CFM/Throat Velocity 550/1,571

Compliance and Restrictions

  • None

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