Model Number:Zerodis5aefvr1zx7-11 Package Dimensions:30 x 23 x 22 cm 1. OBLIQUE BOOST: The duct fan adopts high density diagonal blades, which can evenly cut air, reduce resistance, achieve optimal ventilation and effective air circulation. 2. LOW NOISE: The booster fan collects airflow and reduces noise output, producing a noise level of no more than 30db, offering a quiet working environment. 3. EASY TO INSTALL: 4 inch exhaust fan adopts separate body components, easy to install and disassemble, suitable for installation in various environments. 4. IPX2 WATERPROOF: The vent blower features IPX2 waterproof grade, can maintain good performance in humid and harsh environments. 5. HARD PP SHELL: The pipe fan shell is made of PP material, which has good toughness, anti aging, durability and long service life. Spec: Item Type: Duct Fan Material: PP Model: YJ 100 Power: 40W Speed: 2550R Per Minute Air Volume: 310m Per Hour Performance: Oblique Boost How to Use: Take out the product, connect the pipeline and plug in for use. packing list: 1 x Duct Fan 4 x Screw 4 x Anchor OBLIQUE BOOST: The duct fan adopts high density diagonal blades, which can evenly cut air, reduce resistance, achieve optimal ventilation and effective air circulation. EASY TO INSTALL: 4 inch exhaust fan adopts separate body components, easy to install and disassemble, suitable for installation in various environments. HARD PP SHELL: The pipe fan shell is made of PP material, which has good toughness, anti aging, durability and long service life. IPX2 WATERPROOF: The vent blower features IPX2 waterproof grade, can maintain good performance in humid and harsh environments. LOW NOISE: The booster fan collects airflow and reduces noise output, producing a noise level of no more than 30db, offering a quiet working environment. OBLIQUE BOOST EASY TO INSTALL HARD PP SHELL IPX2 WATERPROOF LOW NOISE