The material we used is RoHS compliant, all of the DC fans have the function of Reverse Impeller Direction. We can offer DC fan size from 25x25x10mm to 151x55mm, sleeve bearing and ball bearing available, the voltage is from 5V, 12V, 24V or 48V; AC fans from 60x60x30mm to 254x89mm with SPT-2 or Customize Design lead wire, the working voltage and Freq. Is from 220v-240v/50-60HZ and 110v-125v/50-60HZ, various material of frame and impeller can be designed according to the diverse demand.

Size: 120mmx120mmx38mm Weight: 540 g Impeller: PBT UL94V-0 Reinforced Plastic Frame: Aluminum Alloy Public Frame Motor: Shaded Pole Induction Motor Rated Current: 0.10/0.20 Speed: 2100/3000RPM Air Flow: 66/93CFM Noise Level: 36/44dBA

All materials are RoHS Compliant Size: 172mmx150mmx38mm Weight: 760 g Impeller: PA6 UL94V-0 Reinforced Plastic Frame: Aluminum Alloy Motor: Capacitor-Run Induction Motor Voltage: 220 V~240V, 100 V~125V Freq: 50/60Hz Bearing System: NMB/ISC dual ball bearing RPM: 2850/3400 Air Flow: 166/198CFM 57/61dBA

This Nexus 120mm White LED case fan is the quietest available, at a truly silent 18 dB(A). It provides ample airflow without being noticeable noise wise. The Nexus 120mm Silent Case Fan is equipped with a 4-pin power connector and a 3-pin motherboard connector. This allows you to connect the case fan directly to the power supply or to the motherboard. Power Connector 4-pin & 3-pin Dimensions 120x120x25mm Rated Voltage 12 Volts Operation Voltage 6.5 ~ 13.8 Volts Input Current 0.30 Amp Max Input Power 1.8 Watts Max Rotation Speed 1000 RPM Acoustic Noise 18 dB(A) Airflow 36.87 CFM Operation Temperature -10 to +65 C Storage Temperature -40 to +70 C LEDs 4x White Manufacturer's Warranty 3 Years

Size of the fan: Φ200mm Number of impeller blades 9 Nominal Voltage: V AC 230/400(50/60Hz) Voltage Range: V AC 60...430 Nominal Speed: min-1 1370...2900 Max. flow rate: m3/h 450...1000 Max. flow rate: CFM 265. 5...590 Noise free air: d B(A) 42...62 Power consumption: W 72 Impeller material Sheet steel (stove-enameled in black) Bearings: Maintenance-free ball bearings Energy saving, without electronic motor noise, 100% speed controllable, integrated process controller. Electrical motor: with external rotor shaded-pole motor. Resume heat automatically protection and off point: 140centigrade. Expected service life: 400 VDB; -25 to +85C; 30, 000 hrs.; Class A 450 VDB; -25 to +85C; 10, 000 hrs.; Class B Applications: Air conditioning, refrigeration, ventilation, drying, cooling Mass: g 1500

Size of the fan: Φ500mm Number of impeller blades 5 Nominal Voltage: V AC 230/400(50/60Hz) Voltage Range: V AC 60...420 Nominal Speed: Min-1 900...1500 Max. Flow rate: M3/h 5800...6700 Max. Flow rate: CFM 3422...3953 Noise free air: D B(A) 68...78 Power consumption: W 150...400 Impeller material Sheet steel (stove-enameled in black) Bearings: Maintenance-free ball bearings Energy saving, without electronic motor noise, 100% speed controllable, integrated process controller. Electrical motor: With external rotor shaded-pole motor. Resume heat automatically protection and off point: 140centigrade. Expected service life: (400 VDB; -25 to +85C; )30,000 hrs.; Class A (450 VDB; -25 to +85C; )10, 000 hrs.; Class B Applications: Air conditioning, Agriculture, refrigeration, ventilation, drying, Transformer cooling Mass: G 9300

Size of the fan: 92*92*25 mm Specification Nominal Voltage: V AC 115/230(50/60Hz) Voltage Range: V AC 85...260 Nominal Speed: Min-1 2000...2450 Max. Flow rate: M3/h 35...60 Max. Flow rate: CFM 20...35.4 Noise free air: D B(A) 34...39 Power consumption: W 12 Service life(70centigrade) / (40centigrade) h 30 000 / 60 000 Bearing system: Ball bearings / Sintec-Sleeve bearings Fan housing / impeller: Aluminum alloy / PBT Electrical motor: Shaded pole Motor structure. Impedance protect Mass: G 260