Skip to navigation
681/A681 — Steel/Aluminum 1-way Register, MS damper, 1/2" Fin Spacing

How to Specify

Provide the following information:

  • Model Number
  • Width
  • Height
  • Finish

How to Purchase

FAQs for GRDs

681/A681 — Steel/Aluminum 1-way Register, MS damper, 1/2" Fin Spacing

Assets/Details

Engineering Data (149 KB, PDF)
A680 Sell Sheet (454 KB, PDF)
  • All-steel construction (681)
  • Aluminum construction (A681)
  • Used for ceiling or sidewall installations
  • Ideal for shallow duct installations
  • Plastic handles
  • One-way deflection
  • 1/2" spaced fins set at 40 degrees
  • Multi-shutter valve
  • 1 5/8" depth when fully opened
  • Interlocking valve louvers for positive shut-off
  • Bright White finish

Available sizes (inches)

Height
Width8101214161820
4
6

Note: When ordering, specify horizontal dimension first.

 

681/A681 — Steel/Aluminum 1-way Register, MS damper, 1/2" Fin Spacing -Dimensional Drawing