Brochure

Floor Registers & Grilles
5
Floor Registers & Grilles
Engineering Data on Page 40
420 Toe-Space Grille
•
All-steel construction
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Heavy-gauge stamped face
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Multi-angle fins
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Golden Sand or Bright White enamel finish
421 Floor Diffuser
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All-steel construction
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Multi-angle fin setting
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Rolled fin for strength and safety
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Welded construction
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Foot-operated dial control
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Heavy-gauge stamped face
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Golden Sand or Bright White enamel finish
531 Royalaire
®
Floor Diffuser
•
Extruded aluminum construction
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Corrosion-resistant, high strength
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Heavy cross-bracing at strategic intervals
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Dual multi-shutter valves for adjustable air pattern
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Nylon slide valve operators
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Satin-anodized finish
Size Free Area Sq. In.
10 x 2 15
12 x 2 17
14 x 220
10 x 4 27
12 x 4 32
14 x 437
S
420 Available Sizes (in.)
Size Free Area Sq. In.
2 x 10 15
2 x 12 17
2 x 14 20
4 x 8 22
4 x 10 27
4 x 12 32
4 x 14 37
6 x 10 39
6 x 12 48
6 x 14 56
S
421 Available Sizes (in.)
Size Free Area Sq. In.
2 x 10 10
2 x 12 12
2 x 14 14
4 x 10 19
4 x 12 23
4 x 14 27
6 x 10 31
6 x 12 37
6 x 14 44
531 Available Sizes (in.)