







See the Difference
Seamless Line Diffusers vs. Outdated
Ventmann Adjustable Airflow Blade for 18 mm Linear Slot Diffusers
INNOVATIVE DESIGN
The Ventmann Adjustable Airflow Blade is developed to offer superior control within 18 mm architectural gypsum slot diffusers. This regulator enhances the level of precision in modern ventilation systems, enabling balanced distribution while preserving an elegant, seamless finish.
Optimised for 18 mm Gypsum Slot Vent Diffusers
Crafted specifically for 18 mm-wide linear diffusers, the blade fits effortlessly onto the internal metal structure of Ventmann Line diffusers, ensuring a discreet and professional installation.
Cut-to-Size Length Options
Supplied in a 1250 mm length, the airflow blade can be shortened to 1000 mm or 625 mm, depending on project requirements. This adaptable configuration guarantees compatibility across multiple diffuser layouts.
Magnetic Fixing System
Equipped with a series of precision-positioned magnets, the regulator attaches firmly to the diffuser’s internal grille. This magnetic mechanism provides reliable stability and enables quick adjustments without tools.
Directable Airflow Control
Based on how the blade is positioned, the airflow can be steered towards the left or towards the right. This directional control allows designers and installers to fine-tune room ventilation for better comfort and system performance.
Key Advantages
• Custom-made for 18 mm architectural gypsum slot diffusers
• Adjustable from 1250 mm to 1000 mm or 625 mm
• Strong magnetic attachment for secure placement
• Air direction easily set left or right
• Enhances ventilation accuracy in MVHR, HVAC, and ducted systems
• Invisible integration for a flawless minimalist look
The Ventmann Airflow Blade is an essential accessory for high-end ventilation projects where both airflow precision and architectural aesthetics are essential.
Related Blog Posts

Architectural Air Diffusers at Aethos London: A Seamless Integration of Design and Performance
In high-end hospitality design, ventilation is no longer a purely technical consideration—it is an integral part of the architectural language.

Ventmann UK to Exhibit at London Build Expo 2025 – The UK’s Largest Construction Show

What Is a Linear Diffuser? Everything You Need to Know
In modern interior design and HVAC (Heating, Ventilation, and Air Conditioning) systems, linear diffusers have emerged as a go-to solution for spaces that demand both style and functionality.
