# Diffusor Box DN125-9x75 for Ventilation Systems

**URL:** https://aio.lv/en/product--oem-11201004--12417860
**Data updated:** 2026-05-12 09:20 (EEST)
**Category:** Ventilation Filters
**Manufacturer:** OEM
**Manufacturer code:** 11201004
**EAN:** 4772013392897
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Diffusor Box DN125-9x75 is a specialized ventilation component designed for efficient air distribution. Featuring a DN125 connection and 9x75mm ports, this box is engineered for integration into modern mechanical ventilation systems. It ensures optimal airflow management and reliable performance in residential or commercial ductwork installations, providing a durable solution for air supply or extraction requirements.

## Long description

The Diffusor Box DN125-9x75 is a high-quality ventilation component engineered for precise air distribution in mechanical ventilation systems. Designed to facilitate seamless airflow, this unit serves as a critical junction point in ductwork, allowing for efficient air supply or extraction. Its robust construction ensures long-term reliability in both residential and commercial building environments, making it an essential element for maintaining balanced indoor air quality.
Advantages
This diffusor box offers exceptional versatility by connecting a primary DN125 duct to nine individual 75mm flexible ducts. The streamlined design minimizes air resistance, which helps in reducing noise levels and improving the overall energy efficiency of the ventilation system. Its compact form factor allows for easy installation in tight spaces, such as suspended ceilings or wall cavities, while the durable materials provide resistance to mechanical stress and environmental factors.
Suitable for
Residential mechanical ventilation systems with heat recovery
Commercial office air distribution networks
New construction projects requiring flexible duct routing
Retrofitting existing ventilation setups for improved airflow
When it may not be suitable
This unit is not intended for use in high-temperature industrial exhaust systems or environments where the air contains corrosive chemicals or heavy particulate matter that could clog the ports. It is also not suitable for systems requiring duct diameters other than the specified 125mm main connection or 75mm branch connections.
Key specifications
Main connection diameter: 125 mm
Branch connection ports: 9 x 75 mm
Material: Durable synthetic construction
Application: Air supply and extraction
How to use
Installation should be performed by connecting the main 125mm ventilation duct to the primary inlet of the box, ensuring an airtight seal using appropriate duct tape or clamps. The nine 75mm ports should then be connected to the corresponding flexible ventilation ducts leading to individual rooms or diffusers. Ensure that all connections are properly secured and that the box is mounted firmly to the building structure to prevent vibration during operation.
What to consider before purchase
Verify that your existing ventilation system uses 125mm main ducts and 75mm branch ducts.
Ensure there is sufficient physical space in the ceiling or wall cavity for the box dimensions.
Check the total airflow requirements of your system to ensure this box can handle the necessary volume.
Usage recommendations
Regularly inspect the connections during routine maintenance to ensure they remain airtight and free from debris. It is recommended to balance the system after installation to ensure optimal airflow distribution across all nine ports.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All OEM products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized OEM service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12417860/68710078_large.webp