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AMERICAN LOUVER Grille: Louvered Grille, Silver, Mill, Aluminum, 5 1/4 in H, 21 1/8 in W - Surface-Mount Grilles
AMERICAN LOUVERSurface-Mount Grilles

AMERICAN LOUVER Grille: Louvered Grille, Silver, Mill, Aluminum, 5 1/4 in H, 21 1/8 in W

The AMERICAN LOUVER Grille: Louvered Grille (SKU 401JC2, MPN SP-18X4-M) is a surface-mount grille designed for exposed duct mounting. This silver, mill-finish aluminum unit measures 5 1/4 inches in height, 21 1/8…

SKU 3G-OTH-77490

Brand
AMERICAN LOUVER
Item
Grille: Louvered Grille, Silver, Mill, Aluminum, 5 1/4 in H, 21 1/8 in W
Category
Surface-Mount Grilles
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Technical Specifications

AMERICAN LOUVER
Manufacturer Part Number
SP-18X4-M
Type
Silver, Mill, Aluminum, 21 1/8 in W
D
2 in
H
5 1/4 in
Bar Spacing
3/4 in
Mounting Location
Exposed Duct
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AMERICAN LOUVER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The AMERICAN LOUVER Grille: Louvered Grille (SKU 401JC2, MPN SP-18X4-M) is a surface-mount grille designed for exposed duct mounting. This silver, mill-finish aluminum unit measures 5 1/4 inches in height, 21 1/8 inches in width, and 2 inches in depth, with a 3/4-inch bar spacing.

Frequently Asked Questions

What is the AMERICAN LOUVER SP-18X4-M louvered grille used for?

The AMERICAN LOUVER SP-18X4-M louvered grille is used for exposed duct mounting in HVAC systems. It directs airflow from duct openings into a space, commonly in commercial or industrial ventilation applications. The mill-finish aluminum construction suits environments where a corrosion-resistant, low-maintenance grille is needed.

What are the specifications of the AMERICAN LOUVER SP-18X4-M grille?

The AMERICAN LOUVER SP-18X4-M is a surface-mount louvered grille with a silver mill-finish aluminum body. It measures 5 1/4 inches in height, 21 1/8 inches in width, and 2 inches in depth, with 3/4-inch bar spacing. It is designed for exposed duct mounting and carries MPN SP-18X4-M.

Where to buy the AMERICAN LOUVER SP-18X4-M grille worldwide?

3G Electric supplies the AMERICAN LOUVER SP-18X4-M louvered grille worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this grille to any country.

How to install the AMERICAN LOUVER SP-18X4-M louvered grille?

Install the AMERICAN LOUVER SP-18X4-M grille by securing it over an exposed duct opening using screws through the mounting flanges. Ensure the duct opening matches the grille dimensions (5 1/4 in H x 21 1/8 in W). Follow standard HVAC practices for alignment and sealing to prevent air leakage.

Used in

Common applications for AMERICAN LOUVER
Commercial office HVAC — American Louver lay-in eggcrate grilles (STR-ERFG-14W-FR) for ceiling return air systems
Industrial facility ventilation — American Louver surface-mount louvered grilles (SP-10X6-M) on exposed ductwork
Retail space air distribution — American Louver square cone diffusers (STR-C-12W-FR) for supply air in suspended ceilings
Hospital cleanroom airflow — American Louver perforated diffusers (STR-PERF-2214-5PK) for laminar flow ceilings
School building replacement — American Louver square plaque diffusers (STR-PQ-14W-FR) for standard grid ceiling retrofits

AMERICAN LOUVER Products

3G Electric supplies AMERICAN LOUVER surface-mount grilles. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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