C2020 Series
Explore our range of high-performance 1-slot grille systems designed for efficiency and seamless integration.

C2020 Supply & Return
The C2020 Return Grille is a 1-slot system designed exclusively for efficient air return. Available in 30mm (adjustable to 20mm, 25mm) and 40mm (adjustable to 50mm) to optimize airflow. Its integrated plenum box ensures effective passive air return, and the sleek design allows for seamless integration with ceilings or walls. Perfect for residential, commercial, or industrial HVAC systems, it offers both performance and aesthetic appeal.
Key Features:
- ✔ 1-slot system designed for air return
- ✔ Slot Sizes: 30mm (adjustable to 20mm, 25mm) and 40mm (adjustable to 50mm)
- ✔ Integrated plenum box for efficient passive air return
- ✔ Seamless integration with ceilings and walls
- ✔ Ideal for residential, commercial, and industrial applications

C2020 Free Return
The C2020 Supply/Return Grille is a high-performance 1-slot grille system, featuring an integrated plenum box for efficient air supply and/or return. Available in 30mm (adjustable to 20mm, 25mm) and 40mm (adjustable to 50mm), offering precise control over airflow distribution. This flexibility ensures optimal air delivery or return to meet specific system requirements.
Key Features:
- ✔ Integrated plenum box for efficient airflow
- ✔ Slot Sizes: 30mm (adjustable to 20mm, 25mm) and 40mm (adjustable to 50mm)
- ✔ Seamless integration with ceilings and walls
- ✔ Suitable for both air supply and air return
- ✔ Ideal for residential, commercial, and industrial HVAC systems

C2020 Dummy
The C2020 Dummy Grille is a 1-slot decorative system with an integrated plenum box, designed exclusively for aesthetic purposes with no airflow function. Available in 30mm (adjustable to 20mm, 25mm) and 40mm (adjustable to 50mm) for a customized appearance. This grille creates a sleek, minimalist aesthetic, blending effortlessly with ceilings or walls to provide a modern, clean look in any space.
Key Features:
- ✔ 1-slot decorative grille with no airflow function
- ✔ Slot Sizes: 30mm (adjustable to 20mm, 25mm) and 40mm (adjustable to 50mm)
- ✔ Integrated plenum box for easy installation
- ✔ Ideal for residential, commercial, and industrial spaces looking for a modern, minimalist aesthetic
- ✔ Seamless integration with ceilings and walls

C2020 Corner Accessories
The C2020 Ceiling Corner Dummy Accessories are essential components designed to connect various parts of the C2020 grille system, including supply, return, and dummy grilles. These accessories ensure efficient functionality and a streamlined aesthetic, allowing for seamless integration into ceiling installations. Designed to enhance the overall performance and appearance of your HVAC system, these accessories ensure a professional finish.
Key Features:
- ✔ Designed for connecting supply, return, and dummy grilles
- ✔ Ensures functional efficiency and aesthetic appeal
- ✔ Seamless integration with ceiling installations
- ✔ Perfect for residential, commercial, and industrial HVAC systems

C2020 Dummy
The C2020 Dummy Grille is a 1-slot decorative system with an integrated plenum box, designed exclusively for aesthetic purposes with no airflow function. Available in 30mm (adjustable to 20mm, 25mm) and 40mm (adjustable to 50mm) for a customized appearance. This grille creates a sleek, minimalist aesthetic, blending effortlessly with ceilings or walls to provide a modern, clean look in any space.
Key Features:
- ✔ 1-slot decorative grille with no airflow function
- ✔ Slot Sizes: 30mm (adjustable to 20mm, 25mm) and 40mm (adjustable to 50mm)
- ✔ Integrated plenum box for easy installation
- ✔ Ideal for residential, commercial, and industrial spaces looking for a modern, minimalist aesthetic
- ✔ Seamless integration with ceilings and walls

C2020 Smart Edition
The C2020 Smart Edition is a ceiling solution, designed for customization, high performance, and seamless integration. With the C2020 Smart Edition, you can effortlessly integrate speakers, disco balls, LED panels, spotlights, and even smart technology like Alexa into the C2020 Dummy and C2020 Corner Accessories—all while maintaining a stylish, clutter-free ceiling.
Thanks to magnetic tracks (available separately from any lighting supplier or distributor), attachments are quick, secure, and fully customizable to fit your space.
Key Features:
- ✔ Customizable ceiling solution for a sleek and modern look
- ✔ Seamless integration of smart technology and lighting accessories
- ✔ Magnetic tracks ensure easy attachment and flexibility
- ✔ Compatible with speakers, LED panels, spotlights, and more
- ✔ Ideal for residential, commercial, and entertainment spaces

Plenum Boxes
Ventus Plenum Boxes are engineered to ensure efficient and controlled air distribution before diffusion through the terminals. Designed for both horizontal and vertical airflow patterns, they maintain optimal performance even at low volumes. Suitable for the supply and exhaust of conditioned air, our plenum boxes are compatible with grilles of any type and size.
Manufactured from 12mm black PVC, our plenum boxes are lightweight, offer 0% condensation, and provide exceptional thermal and sound insulation.
Customization Options:
- ✔ Fully customizable to meet diverse project requirements
- ✔ Clients can specify the duct entry position (back, side, or top)
- ✔ Choose the diameter for seamless HVAC system integration
See How the C2020 Elevates Different Spaces

Invisible, 20mm

Elegant, 25mm

Residential, 30mm

Commercial, 40mm

Project, 50mm

Industrial, 65mm
