We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

NATIONAL GUARD L-1900DKB-12x12 Door Louver Kit, Steel, Brown, 12x12 in Opening - Door Louver Kits
NATIONAL GUARDDoor Louver Kits

NATIONAL GUARD L-1900DKB-12x12 Door Louver Kit, Steel, Brown, 12x12 in Opening

The NATIONAL GUARD Fusible Louver: Steel is a door louver kit (SKU L-1900DKB-12x12, MPN L-1900DKB-12x12) with a 12 in opening height and 12 in opening width, and a 10 in louver height and 10 in louver width. It is…

SKU 3G-OTH-739379

Also listed as: L1900DKB12x12 · L 1900DKB 12x12

Brand
NATIONAL GUARD
Item
L-1900DKB-12x12 Door Louver Kit, Steel, Brown, 12x12 in Opening
Category
Door Louver Kits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NATIONAL GUARD
Manufacturer Part Number
L-1900DKB-12x12
Material
Steel
Color
Brown
Finish
Powder Coated
Louver Ht
10 in
Louver Wd
10 in
Opening Ht
12 in
Opening Wd
12 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

NATIONAL GUARD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NATIONAL GUARD Fusible Louver: Steel is a door louver kit (SKU L-1900DKB-12x12, MPN L-1900DKB-12x12) with a 12 in opening height and 12 in opening width, and a 10 in louver height and 10 in louver width. It is constructed from steel with a powder-coated brown finish.

Frequently Asked Questions

What is a NATIONAL GUARD Fusible Louver used for?

A NATIONAL GUARD Fusible Louver is a door louver kit used for passive ventilation in commercial or industrial doors. It allows airflow while maintaining fire safety; the fusible link melts at high temperatures to close the louver, helping contain smoke and flames.

What are the specifications of the NATIONAL GUARD L-1900DKB-12x12?

The NATIONAL GUARD L-1900DKB-12x12 is a steel fusible louver with a powder-coated brown finish. It has a 12 in opening height and 12 in opening width, with a 10 in louver height and 10 in louver width. The manufacturer part number is L-1900DKB-12x12.

Where to buy NATIONAL GUARD fusible louvers worldwide?

3G Electric supplies NATIONAL GUARD fusible louvers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver the L-1900DKB-12x12 or other door louver kits to your facility. Contact us for a quote and delivery timeline.

How to install a NATIONAL GUARD fusible louver?

Install the NATIONAL GUARD fusible louver by cutting a 12 in by 12 in opening in the door, then securing the louver kit with screws per the manufacturer's instructions. Ensure the fusible link is oriented correctly for proper closure during a fire. Always follow local building codes.

NATIONAL GUARD Products

3G Electric supplies NATIONAL GUARD door louver kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from NATIONAL GUARD

View all NATIONAL GUARD parts
Steel door louver kit with a powder-coated gray finish. Opening height 8 in, opening width 14 in, louver height 6 1/4 in. Provides passive ventilation for enclosed spaces such as equipment rooms or mechanical closets
NATIONAL GUARD
Steel door louver kit with a powder-coated gray finish. Opening height 8 in, opening width 14 in, louver height 6 1/4 in. Provides passive ventilation for enclosed spaces such as equipment rooms or mechanical closets
Steel door louver kit with powder-coated gray finish. Fits a 12 in by 12 in opening; louver measures 10 1/4 in by 10 1/4 in. Provides passive ventilation for industrial doors, allowing airflow while blocking debris. Suitable for machine rooms, warehouses, and plant enclosures
NATIONAL GUARD
Steel door louver kit with powder-coated gray finish. Fits a 12 in by 12 in opening; louver measures 10 1/4 in by 10 1/4 in. Provides passive ventilation for industrial doors, allowing airflow while blocking debris. Suitable for machine rooms, warehouses, and plant enclosures
Steel door louver kit with a 16 in opening height and 16 in opening width, featuring a 15 1/4 in louver height. Powder coated gray finish. Used to provide ventilation and airflow through doors in commercial or industrial partitions, such as restrooms, utility rooms, or mechanical spaces
NATIONAL GUARD
Steel door louver kit with a 16 in opening height and 16 in opening width, featuring a 15 1/4 in louver height. Powder coated gray finish. Used to provide ventilation and airflow through doors in commercial or industrial partitions, such as restrooms, utility rooms, or mechanical spaces
This door louver kit is constructed of steel with a powder-coated gray finish. It has an 8-inch opening height and width, with a 7 1/4-inch louver height. Designed for installation in interior doors to allow passive ventilation in commercial or industrial settings
NATIONAL GUARD
This door louver kit is constructed of steel with a powder-coated gray finish. It has an 8-inch opening height and width, with a 7 1/4-inch louver height. Designed for installation in interior doors to allow passive ventilation in commercial or industrial settings
This steel door louver kit with a brown powder-coated finish is designed for installation in doors to provide ventilation. The louver measures 16 by 16 inches and fits an 18 by 18 inch opening. Commonly used in commercial and industrial settings where airflow through doors is required
NATIONAL GUARD
This steel door louver kit with a brown powder-coated finish is designed for installation in doors to provide ventilation. The louver measures 16 by 16 inches and fits an 18 by 18 inch opening. Commonly used in commercial and industrial settings where airflow through doors is required
Steel door louver kit with brown finish. Opening height 8 in, opening width 14 in, louver height 6 1/4 in. Provides ventilation and airflow through doors in mechanical rooms, warehouses, or plant partitions
NATIONAL GUARD
Steel door louver kit with brown finish. Opening height 8 in, opening width 14 in, louver height 6 1/4 in. Provides ventilation and airflow through doors in mechanical rooms, warehouses, or plant partitions
This brown steel door louver kit has a 12 in opening height and width, with a louver height and width of 10 1/4 in. It provides passive ventilation for interior or exterior doors, allowing airflow while maintaining privacy and security. Commonly used in commercial and industrial facilities for HVAC balance, equipment rooms, or restroom doors
NATIONAL GUARD
This brown steel door louver kit has a 12 in opening height and width, with a louver height and width of 10 1/4 in. It provides passive ventilation for interior or exterior doors, allowing airflow while maintaining privacy and security. Commonly used in commercial and industrial facilities for HVAC balance, equipment rooms, or restroom doors
Steel door louver kit in brown finish. Louver height 7 1/4 in, designed for 8 in opening height and 14 in opening width. Used to provide ventilation and airflow through doors in commercial or industrial partitions
NATIONAL GUARD
Steel door louver kit in brown finish. Louver height 7 1/4 in, designed for 8 in opening height and 14 in opening width. Used to provide ventilation and airflow through doors in commercial or industrial partitions