This ventilation fan is engineered for durability with its ABS construction and operates quietly at less than 39dB, making it unobtrusive addition to any setting Suitable for enthusiasts, electricians, and homeowners alike, this exhaust fan caters to anyone in need of air extraction or circulation in confined spaces powerful ventilation with our 114mm Duct Exhaust Fan, boasting a high airflows and a speed of 4000rpm, ensuring efficient removal The included 12V clip on power cord extends 1 meter for easily power accesses, allowing for flexible use with batteries or adapter, making it a practical tool for various applications Perfect for use in kitchens, bathrooms, workshops, and outdoor activities such as barbecues and picnics, it seamlessly integrates with 114mm diameter ducts for hassle frees installation, Manufacturer: Kaeltsyn