```html Adjustable 17x17 cm white ventilation grille with included pre-frame. Allows precise airflow control for optimal climate control. Easy installation and aesthetically pleasing finish, ideal for any room. ```

```html Fixed ventilation grille, 30x17 cm, in black with pre-frame included. Ideal for efficient air conditioning and ventilation, offering constant airflow and a modern, durable finish. ```

```html Fixed ventilation grille (30x17cm, white) with pre-frame for air conditioning. Durable and aesthetically pleasing solution to optimize indoor airflow with easy installation. ```

```html Fixed black ventilation grille (17x17 cm) with pre-frame. Made of durable aluminum, ideal for air conditioning and extraction. Elegant design and easy installation. ```

```html White fixed ventilation grille (17x17 cm) with pre-frame included. Ideal for air conditioning and extraction, it offers a constant airflow and a professional aesthetic finish, and is easy to install. ```

```html Fixed black grille, 11x17 cm, with pre-frame included. Ideal for air conditioning and ventilation systems, it combines a modern and elegant design with efficient airflow and simplified installation. ```

White fixed grille (11x17 cm) with pre-frame for optimal ventilation. Easy wall or ceiling installation, ideal for air conditioning and extraction in any room. Durable material and discreet design.

```html The 120mm inlet (ALI_EMB-120) is essential for connecting ducts with front/corner diffusers. It ensures a tight, aerodynamic transition and optimizes airflow for maximum energy efficiency and reduced noise in your HVAC system. ```

```html Black angled diffuser, 500 x 500 mm (ALI_RED 50 X 50 N). Ideal for efficient air conditioning and modern design in offices and shops. Ensures homogeneous airflow and energy savings. ```

```html 500x500 mm white angled air diffuser for climate control (Ref: ALI_RED 50 X 50 B). Ideal for uniform and efficient air distribution in suspended ceilings. Made of robust material for quiet and long-lasting performance. ```

```html Black rectangular air conditioning diffuser, 1000 x 63 mm (ALI_RED 1000-N). Ideal for even and quiet air distribution in air conditioning systems. Modern and elegant design for integration into ceilings and walls. ```

```html Discover the complete Alixena 2025 catalog. Explore our wide range of products and new arrivals at the following link. ```