Features: Experience efficient ventilation with our British Standard 12038 Exhaust Fan, featuring double ball bearing for reliable Air extraction in various settings. This functional fan operates on AC100 240V input and outputs direct current 12V, boasting a allo oil bearing and pure copper brushless motor, making it perfect for exhaust, cooling, and air filtration needs. Ideal for DIY enthusiasts, electronics repair professional, and pet owners looking to maintain great air quality in their spaces. Perfectly suited for use in electronic repair rooms, 3D printer enclosures, pet houses, and soldering stations, ensuring effective Air and heat dissipation. With speed controllers+1 air duct+1 mesh cover+screws and compatibility with 11.8cm diameter ducting, this fan kit provide flexibility and ease of installation for various applications. Specifications: Material: Plastic Size:Approx.12x12x9.5cm/4.72x4.72x3.74inches Round Tube Diameter: Approx.11.8cm/4.64inches Package Includes: 1Set British Standard 12038 Exhaust Fan +Speed controllers+1Pc Air Duct+1Oc Mesh Cover+Screws note: Please allow 1-3cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.