6" x 6" x 5" Diffuser Box, Top Outlet
3 Available At All US Supply Locations

Lukjan Top Outlet Diffuser Box – Reliable Air Distribution for HVAC Systems
The Lukjan Top Outlet Diffuser Box is built for consistent airflow management in heating and cooling applications. Designed to transition between square registers or grilles and round duct connections, this unit ensures proper ventilation and balanced air distribution across residential and commercial projects.
Professional Advantages
Contractors require components that install easily, perform reliably, and meet code standards. The Lukjan diffuser box offers a top outlet configuration that reduces installation time while providing a secure, tight-fitting connection to duct systems. Its durable construction supports long-term use in demanding HVAC environments.
Key Features
- Top Outlet Design: Directs airflow efficiently to round duct connections.
- Versatile Installation: Suitable for ceiling, wall, or floor applications depending on project requirements.
- Durable Construction: Manufactured with quality materials engineered to withstand HVAC system demands.
- Straightforward Integration: Designed for use with standard registers and duct sizes for consistent performance.
Technical Specifications
- Dimensions: 6" x 6" x 5"
- Collar Size: 5 inch
- Material: Heavy-duty plastic housing for strength and durability
- Connection Type: Round pipe outlet from a square diffuser box
Installation Notes
While installation is straightforward, proper sealing and alignment are critical to system efficiency. It is recommended that this unit be installed by a licensed HVAC technician to ensure compliance with local codes and to achieve optimal performance. For projects where DIY installation is attempted, accurate measurement and sealing at all joints are essential.
Application Use
The Lukjan Top Outlet Diffuser Box is engineered for use in both new system builds and retrofits. Its durable design and practical dimensions make it a dependable choice for contractors handling a variety of HVAC installations where consistent airflow and reliability are priorities.
Specifications
| Weight | 0.500000 |
|---|---|
| Length (inches) | 9 |
| Width (inches) | 6 |
| Item Type | HVAC Duct |
| Brand | Lukjan |
| Inclusions/Features | Done |
| MPN | RB62060605 |
| Sub Type | Ceiling Box Top |
| Diameter | 5 in |
| Height (inches) | 10 |
| Material | Steel |
| Overall Width | 6 in |
| Shape | Square/Round |
| Item Returns | This item can be returned |
