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architectural & commercial / Spiral Duct Diffusers / Universal Spiral Diffusers
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Stock Item
American Louver / Universal Spiral Diffusers

Spiral Duct Grilles With Scoop

mill
horizontal blade
spiral duct
aluminum
rectangle

The American Louver Spiral Duct Grille is an all-aluminum air outlet designed for exposed duct systems. Engineered for delivering quiet, efficient airflow with a clean, modern look.

Features:

  • Optimized blades – 3/4" spacing for smooth, directional air
  • Adjustable air scoop – Control throw and deflection
  • Sealed fit – Foam gasket minimizes leaks and rattling
  • Sized to duct – Fits 8" to 41"+ diameters
  • All-aluminum construction with mill finish
  • Tight tolerances – Held to +/- 1/32" for precise fit
  • Low noise – Designed for quiet, stable performance
  • Suitable for supply or return applications
  • Screws included

The sizes listed are NOMNIAL OPENING SIZES. See spec sheet for overall grille dimensions.

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Specs

Model Number

Description

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Unit Price

Quantity

Subtotals

SP-10X4-M American Louver 10x4 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 8-13 inch ducts. 4-5 Days $46.20
SP-10X6-M American Louver 10x6 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 14-21 inch ducts. 4-5 Days $53.90
SP-12X4-M American Louver 12x4 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 8-13 inch ducts. 4-5 Days $50.70
SP-12X6-M American Louver 12x6 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 14-21 inch ducts. 4-5 Days $61.70
SP-14X3-M American Louver 14x3 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 6-11 inch ducts. 4-5 Days $49.50
SP-14X4-M American Louver 14x4 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 8-13 inch ducts. 4-5 Days $56.20
SP-14X6-M American Louver 14x6 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 14-21 inch ducts. 4-5 Days $68.00
SP-14X8-M American Louver 14x8 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 22+ inch ducts. 4-5 Days $83.70
SP-16X4-M American Louver 16x4 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 8-13 inch ducts. 4-5 Days $59.90
SP-16X6-M American Louver 16x6 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 14-21 inch ducts. 4-5 Days $76.10
SP-16X8-M American Louver 16x8 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 22+ inch ducts. 4-5 Days $92.40
SP-18X4-M American Louver 18x4 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 8-13 inch ducts. 4-5 Days $65.80
SP-18X6-M American Louver 18x6 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 14-21 inch ducts. 4-5 Days $83.80
SP-18X8-M American Louver 18x8 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 22+ inch ducts. 4-5 Days $101.90
SP-20X4-M American Louver 20x4 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 8-13 inch ducts. 4-5 Days $71.90
SP-20X6-M American Louver 20x6 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 14-21 inch ducts. 4-5 Days $91.50
SP-20X8-M American Louver 20x8 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 22+ inch ducts. 4-5 Days $110.90
SP-24X4-M American Louver 24x4 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 8-13 inch ducts. 4-5 Days $84.10
SP-24X6-M American Louver 24x6 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 14-21 inch ducts. 4-5 Days $110.30
SP-24X8-M American Louver 24x8 inch aluminum spiral duct grille. Mill finish. Adjustable air scoop. Fits 22+ inch ducts. 4-5 Days $129.20
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American Louver Spiral Duct Grille Catalog

Spiral Duct Grille Catalog Sheet

American Louver Spiral Duct Grille Specifications

Spiral Duct Grille Specification Sheet
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