Cooling Fan for 3D Printer WHY DO YOU CHOOSE US? We've been working in electronics for years and accumulated rich experience, and now we want to share with you the preferences and originality of our products, which would bring you a more fashionable and artisticlife experience. There are plenty of similar products on the market to choose from. Why choose us? Simple: We are always obsessed with providing cost-effective products, and always solve problems from the customer's point of view. We're always obsessive about making sure that each one of our product is produced to the highest standard that we ourselves would expect. From the quality, size, color, Appearance, practicability and application of each product, we take pride in considering from the customer's point of view. Low Power Consumption This cooling fan uses Taiwan imported chips, low power consumption, can do PWM function. Quality Material PBT anti-plastic material, environmental protection fire, no deformation at high temperature. Large Air Volume Super ventilation, super wind pressure, cooling effect is remarkable. Specification: Condition: 100% Brand New Material: ABS Color: Black Size: Approx. 40 x 40 x 20 mm / 1.5 x 1.5 x 0.7 inch Model: 4020 Blower Fan Model: DFS4020 Rated Voltage: DC12V / DC24V (Optional) Voltage Range: 10.8V~13.2V Input Current: 0.05~0.20 A Rated Speed: 4000 ~ 6000r.p.m Working Temperature: -10 ~ 110 °C Storage Temperature: -40 ~ 110 °C Air Volume Range: 2.90 ~ 4.10 CFM Wind Pressure Range: 4.90 ~ 8.50mm H2O Noise Index: 25.5 ~ 34.8dB Weight: Approx. 23g