125mm / 5 inch Ceiling Vent Diffuser with Retaining Rings. Crafted from high-grade plastic for durability and easy maintenance, it seamlessly blends with ceilings and walls. Adjustable airflow, easy installation, and versatility for both supply and extraction make it ideal for various applications. With temperature resilience, compliance with regulations, and a 5-year guarantee, it's a reliable choice for bathrooms, kitchens, and other ventilation needs. Upgrade your space with this premium solution.