20/30 - Supply

Product Information

View Performance Data 20/30
Double Deflection Models 22, 32

3/4"(19) Blade Spacing Grilles 22
  Registers w/ Steel Damper 22D
  w/ Aluminum Damper 22DAL
1/2" (13) Blade Spacing Grilles 32
  Registers w/ Steel Damper 32D
  w/ Aluminum Damper 32DAL

Single Deflection Models 21, 31

3/4" (19) Blade Spacing Grilles 21
  Registers w/ Steel Damper 21D
  w/ Aluminum Damper 21DAL
1/2" (13) Blade Spacing Grilles 31
  Registers w/ Steel Damper 31D
  w/ Aluminum Damper 31DAL

Mounting / Finish Options

Border Style

Surface Mount

  1-1/4" (32) Curved (Standard) C
  1-1/4" (32) Flat F
  1" (25) Narrow N
Exposed Duct 13/16" (24) ED*
  1-1/4" (32) Steel Flat SF
Blade Orientation

Front blades parallel to Long Dimension L
Front blades parallel to Short Dimension S
Optional Mounting Frame

For F Border D
For C Border K
For N Border T

Countersunk screwholes c/w oval-head screws A
No screwholes Ø
Concealed Fastening C
Straight screwholes (ED border only) H

   White Powder Coat B12
  For optional and special finishes see color matrix.

Available Sizes
Minimum Maximum*
6" x 4"
(152 x 102)
36" x 96"
(914 x 2438)
* One piece

*Note the reduced core area of ED Border per dimensioned details. Corrections for performance data are included in the performance notes.

Double Deflection 3/4" (19),
1/2" (13) Blade Spacing
Model 22D
Single Deflection 3/4" (19),
1/2" (13) Blade Spacing
Model 31D

Product Selection Checklist

  1. Select Unit Size based on desired performance characteristics.
  2. Select Outlet Type by model number (core style, damper).
  3. Select Border Style according to installation requirements (C is standard).
  4. Select Blade Orientation.
  5. Select Mounting Frame if desired.
  6. Select Fastening Type (A is standard).
  7. Select Finish.
Example: 24" x 24" / 22D / C / L / A / B12

Application Recommendations:

Surface Mount – C Border, A Fastening.
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