A 3D model of a ventilator, featuring a square white panel, black cylindrical component, and duct with grid pattern, showcasing a sleek, modern aesthetic. It has integrated ceiling mounting and high-efficiency ventilation, suitable for indoor air circulation in homes or offices.

A 3D model of a Ceiling Ventilator/Heater, featuring a white square design, embedded installation, and a digital temperature display with control icons. It has a modern minimalist aesthetic, embedded structure, and is suitable for bathrooms/kitchens needing ventilation and heating.

A 3D model of a ceiling-mounted ventilator, featuring a sleek white/gray casing with embedded design and minimalist aesthetic. It has high-efficiency air flow and integrated heating, suitable for residential/commercial indoor spaces.

A 3D model of a ventilator/wind heater grille, featuring a metallic rhombus grid structure and modern industrial aesthetic. It has high heat dissipation and ventilation efficiency, suitable for home/office heating and ventilation systems.