

Steel air supply diffuser with mounting ring, Ø 160 mm
Steel supply air diffuser with adjustable airflow
Ensure quiet and efficient air exchange with this minimalist steel diffuser. Designed for easy ceiling installation, it includes a mounting ring and features smoothly adjustable airflow to perfectly suit any interior.
Quiet operation -- noise-free comfort
The aerodynamic design allows air to move smoothly, ensuring exceptionally quiet operation in living spaces.
Durable body -- steel construction
Made of sheet steel with a white epoxy coating, ensuring long-lasting durability and easy maintenance.
Easy adjustment -- rotating disc
Airflow is quickly and accurately adjusted simply by rotating the central disc of the diffuser to suit your needs.
Why choose the standard ORO Haus supply air diffuser?
This diffuser is designed for those who value quiet and even air distribution without any unpleasant drafts. The robust steel body with a sealing gasket ensures reliable performance for years. Thanks to its smart design and easy installation, this ORO Haus diffuser is ideal for both new builds and renovation projects.
Design and interior compatibility
The classic round shape and white color allow this diffuser to blend seamlessly into any ceiling. It is perfect for bedrooms, living rooms, kitchens, and small offices, maintaining aesthetically clean ceiling lines without compromising functionality.
Complete ventilation system
Efficient air supply is just one part of a high-quality ventilation system. For maximum results, it is recommended to combine diffusers with flexible ducts, silencers, and a reliable heat recovery unit. The ORO Haus team is always ready to help you choose the best matching components.
Key specifications
High-quality materials and precise manufacturing ensure long-lasting performance.
| Parameter | Value |
|---|---|
| Material | Steel with epoxy coating |
| Mounting type | Ceiling, with mounting ring |
| Air direction | Supply |
| Adjustable flow | Yes -- rotating central disc |
| Duct diameter | 100 / 125 / 160 mm |
Dimensions
The compact design allows for easy installation even in limited ceiling spaces.
| Parameter | 100 mm | 125 mm | 160 mmSelected |
|---|---|---|---|
| Outer diameter | 143 mm | 173 mm | 216 mm |
| Mounting hole | 100 mm | 125 mm | 160 mm |
| Depth (with ring) | 84 mm | 94 mm | 99 mm |
Airflow data
Optimized aerodynamics ensure the required air volume with minimal noise.
| Parameter | 100 mm | 125 mm | 160 mmSelected |
|---|---|---|---|
| Max. airflow | up to 100 m3/h | up to 150 m3/h | up to 200 m3/h |
| Recommended airflow | 20-40 m3/h | 30-60 m3/h | 50-90 m3/h |
Installation of this diffuser is simple and does not require special tools, as it includes a convenient mounting ring. The full manufacturer manual can be found in the specs tab.
Mounting preparation
Depending on the chosen size, cut a hole of the appropriate diameter in the ceiling (100, 125, or 160 mm). Ensure there is enough space around it to secure the ring.
Duct connection
Connect the flexible or rigid ductwork to the mounting ring and seal the joint with aluminum tape or a clamp to prevent air leaks.
Diffuser installation
Once the ring is secured in the ceiling, simply push the diffuser into the ring. The sealing gasket will ensure a tight and secure fit.
Airflow adjustment
The airflow is adjusted by rotating the central disc. It is recommended to use a flow meter for precise system balancing.
Cleaning and maintenance
The diffuser can be easily cleaned by removing it from the ring. Wipe it with a damp cloth and mild detergent, avoiding abrasive materials.

Complete your ventilation system with the steel supply diffuser
Combine this diffuser with our flexible ducts, manifolds, and heat recovery units. Build a complete and efficient ventilation system in one place.
Frequently Asked Questions
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