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

OEM Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum - Square Louvered Diffusers
OEMSquare Louvered Diffusers

OEM Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum

The APPROVED VENDOR Square Louvered Diffuser (SKU 3G-OTH-77891) is a ceiling-mounted, 4-way louvered diffuser with an 11-inch height and width, designed for surface mounting with an 8-inch duct connection…

SKU 3G-OTH-77891

Brand
OEM
Item
Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum
Category
Square Louvered Diffusers
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

OEM
Type
11 in W, Surface Mount, Aluminum, White
H
11 in
Duct
8 in
Color
White
Louvered
4-Way
Insulated
No
Adjustable Blades
No
Mounting Location
Ceiling

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

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

Product Description

The APPROVED VENDOR Square Louvered Diffuser (SKU 3G-OTH-77891) is a ceiling-mounted, 4-way louvered diffuser with an 11-inch height and width, designed for surface mounting with an 8-inch duct connection. Constructed of aluminum in a white finish, this non-insulated unit features fixed blades and is intended for ceiling installation.

Frequently Asked Questions

What is the APPROVED VENDOR 3G-OTH-77891 diffuser used for?

The APPROVED VENDOR 3G-OTH-77891 is a square louvered diffuser used for distributing conditioned air in HVAC systems. It mounts on a ceiling or wall, connects to an 8-inch duct, and its 4-way louvered design directs airflow evenly across four directions.

What are the specifications of the APPROVED VENDOR 3G-OTH-77891 diffuser?

The APPROVED VENDOR 3G-OTH-77891 diffuser has an 11-inch height and width, an 8-inch duct connection, and a surface mount. It is made of aluminum with a white finish, has fixed non-adjustable blades, is not insulated, and is designed for ceiling installation.

Where to buy the APPROVED VENDOR 3G-OTH-77891 diffuser worldwide?

3G Electric supplies the APPROVED VENDOR 3G-OTH-77891 diffuser to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this square louvered diffuser to your facility, regardless of location.

How to install the APPROVED VENDOR 3G-OTH-77891 diffuser?

Install the APPROVED VENDOR 3G-OTH-77891 diffuser by surface-mounting it to a ceiling opening. Connect the 8-inch duct to the diffuser's collar, secure it with screws or clips, and ensure the 4-way louvered face is properly aligned for even airflow distribution.

OEM Products

3G Electric supplies OEM square louvered diffusers. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Diffuser: Ceiling/Wall, 13 in H, 13 in W, Surface Mount, 10 in Duct, Aluminum, 4-Way Louvered, White
Diffuser: Ceiling/Wall, 13 in H, 13 in W, Surface Mount, 10 in Duct, Aluminum, 4-Way Louvered, White
Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum, 3-Way Louvered, White
Diffuser: Ceiling/Wall, 11 in H, 11 in W, Surface Mount, 8 in Duct, Aluminum, 3-Way Louvered, White
Diffuser: Ceiling/Wall, 13 in H, 13 in W, Surface Mount, 10 in Duct, Aluminum, 3-Way Louvered, White
Diffuser: Ceiling/Wall, 13 in H, 13 in W, Surface Mount, 10 in Duct, Aluminum, 3-Way Louvered, White
Diffuser: Ceiling/Wall, 9 in H, 9 in W, Surface Mount, 6 in Duct, Aluminum, 4-Way Louvered, White
Diffuser: Ceiling/Wall, 9 in H, 9 in W, Surface Mount, 6 in Duct, Aluminum, 4-Way Louvered, White
Diffuser: Ceiling/Wall, 9 in H, 9 in W, Surface Mount, 6 in Duct, Aluminum, 3-Way Louvered, White
Diffuser: Ceiling/Wall, 9 in H, 9 in W, Surface Mount, 6 in Duct, Aluminum, 3-Way Louvered, White
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Surface Mount, 8 in Duct, Steel, Perforated, White
Diffuser: Ceiling, 23 3/4 in H, 23 3/4 in W, Surface Mount, 8 in Duct, Steel, Perforated, White