Specification: Product name: Inline Extractor Duct Fan Opening diameter: 50mm or 2inchDetailed, size: 130x50mm or 5.1x2in Power: 18W, Voltage: 12V Air volume: 54 m or h, Speed: 15800 r or min Wind pressure: 570pa, Noise: 58 dB Installation : Adjustable Speed power Adapter parameters: AC or DC ADAPTERInput: 100-240V AC 50 or 60Hz Output: 12V Use space: about 18 square meters or 190 square feet Features: duct ventilation fan, duct Function: Intelligent burn-free DC motor, sustainable operation, easy installation and disassembly, energy saving Application scenarios: smoke exhaust duct fan, growth room, kitchen, bathroom, workshop, basement, attic, etcThe duct booster are suitable for mounting at any angle and point of the system. Several fans may be installed inside one system.Packing listDuct fanThe power adapter Remind: 1. If the fan is used to exhaust smoke and oil, a amount of oil stains will accumulate and cause damage to the motor. Regular cleaning is required, and if the fan is used extensively, it needs to be cleaned every 30 or so. Generally, it should be cleaned every 40-60 , depending on the fan workload 2. If any other material or particle enters the duct fan and causes the blades to jam, the user should immediately turn off the power, clean it up, and turn on the power again during normal operation. Plug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on Voltage: AC220V Material: ABS Color: White Package Contents: 1 x pipeline fan 1 x instruction 1 x Screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.