ReviewsDual speed Fans

TOPGREENER Kalide Combo Dimmer Switch with 3-Speed Fan Control, Light and Fan Combination Switch, Single Pole, 2.5A, 200W LED/CFL, Neutral Wire Not Required, TGDSFS3-W, White

Adjust fan speed and light level from one location with the Kalide combo wall switch.
designed for 3-speed mechanical fans with pull string control and compatible with dimmable LED, incandescent, and halogen lights.
fan slider features 3 speeds (not for variable type fans or remote controlled).
light slider provides full-range of dimming with a noticeable clicking sound when slid into the OFF position.
Made of Polycarbonate Thermoplastic material to provide the durability and resilience needed to withstand hard impacts and heavy force.
heat & fade resistance to temperatures over 100° to prevent discoloration.
supported by major-brand light bulbs from GE, Cree, Philips, Sylvania, Lithonia, Hyperikon, Amazon Basics, EcoSmart, and more.
not compatible with smart lighting fixtures.

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ID-COOLING SE-207-TRX-BLACK CPU Cooler 7 Heatpipes Dual Tower CPU Air Cooler 35mm RAM Clearance(Up to 50mm), 2x120mm PWM Fans, TDP: 280W, TRX Socket Only

【Better Heat Dissipation】The Dual Tower CPU cooler comes with 7 heat pipes and two120mm PWM fans to make sure excellent heat transfer from the CPU, an extra third fan can be added to gain the most efficient cooling performance..
【PWM Fan】The dual 120mm PWM fan delivers Low-Noise for automatic speed control and ultra-quiet operation for extreme CPU cooling performance. Max. Air Flow: 76.16CFM.
【RAM Compatibility】The cooler provides 35mm height clearance for memory when fans are installed at normal, And It is compatible with memory up to 50mm clearance when moving the fans up..
【Perfect Contact with Processor】Total 2.7x1.8 inch base with 7 direct contact heat pipes can fully cover the Threadripper processors and dissipate the heat from the CPU quickly..
【Compatibility】The dual tower CPU cooler can support AMD TRX socket only..

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KEYNICE Laptop Cooling, 12-17 inch Laptop Cooling Pad, Laptop Cooler with 6 Quiet Fans, Dual USB Port, 5 Wind Speed Adjustable, Red LED Light, Gaming Cooling Fan for Laptop, Portable Notebook Cooler

♥【Ergonomic Design】Foldable double brackets, ergonomic design, easy to store flat and non-slip, play games or watch movies at the most comfortable angle. Support for 12-17 inch laptops. The maximum weight that can be tolerated is 35KG.
♥【5 wind speed adjustable and 3 fan combination modes】Long press the power button 3 seconds to turn it on/ off, press the “+ /-“ to change the fan speed, and tap the power button to exchange the fan working mode( 6 fans work/ 4 fans work/ 3 fans work)..
♥【Dual USB Port】Package included the male to male USB cable. Dual USB 2.0 ports design for notebook, small speakers, usb fans, can also be connected to the mouse, keyboard U disk and other data devices..
♥【Powerful, Ultra-quiet and High Efficiency】 6 cooling fans with max 2600RPM and red LED Lights help circulate excess heat dissipation from your laptop..
♥【High Quality and warranty】With high quality metal mesh and ABS material, has good heat dissipation and durability, crush-resistant and impact resistant. This Product also has 6 months warranty, so you can buy it with confidence. If you have any questions about the product, please contact us at first..

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Dracaena CPU Liquid Cooling System, Air-Cooled Radiator with Anti-Leakage Technology, Chamber Pump, High Efficiency Radiator for Computer Water Cooling (240mm)

Pump divided from the pump head,effectively improve the efficiency of heat dissipation.The pump RPM:5500RPM±10%,higher than usual water cooling system pump..
Dual Chamber water block design isolates the pump from heat to prolong cooler lifetime.
Three PWM Fans: The speed of three PWM fans can be auto adjusted accronding to CPU temperature, provide the better airflow and lower noise..
(Note: The PWM mode must be set in BOIS before liquid cooler operation, otherwise the fan will run at a fixed speed of full speed or low speed).
Better Cooling Performance: With a more efficient cold plate, spraying copper bottom, proprietary pump and fans optimized for static pressure to make sure the excellent heat transfer from cpu..

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TOPGREENER Kalide Combo Dimmer Switch with 3-Speed Fan Control, Light and Fan Combination Switch, Single Pole, 2.5A, 200W LED/CFL, Neutral Wire Not Required, TGDSFS3-BK, Black

Adjust fan speed and light level from one location with the Kalide combo wall switch.
designed for 3-speed mechanical fans with pull string control and compatible with dimmable LED, incandescent, and halogen lights.
fan slider features 3 speeds (not for variable type fans or remote controlled).
light slider provides full-range of dimming with a noticeable clicking sound when slid into the OFF position.
Made of Polycarbonate Thermoplastic material to provide the durability and resilience needed to withstand hard impacts and heavy force.
heat & fade resistance to temperatures over 100° to prevent discoloration.
supported by major-brand light bulbs from GE, Cree, Philips, Sylvania, Lithonia, Hyperikon, Amazon Basics, EcoSmart, and more.
not compatible with smart lighting fixtures.

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TOPGREENER Kalide Combo Dimmer Switch with 3-Speed Fan Control, Light and Fan Combination Switch, Single Pole, 2.5A, 200W LED/CFL, Neutral Wire Not Required, TGDSFS3-LA, Light Almond

Adjust fan speed and light level from one location with the Kalide combo wall switch.
designed for 3-speed mechanical fans with pull string control and compatible with dimmable LED, incandescent, and halogen lights.
fan slider features 3 speeds (not for variable type fans or remote controlled).
light slider provides full-range of dimming with a noticeable clicking sound when slid into the OFF position.
Made of Polycarbonate Thermoplastic material to provide the durability and resilience needed to withstand hard impacts and heavy force.
heat & fade resistance to temperatures over 100° to prevent discoloration.
supported by major-brand light bulbs from GE, Cree, Philips, Sylvania, Lithonia, Hyperikon, Amazon Basics, EcoSmart, and more.
not compatible with smart lighting fixtures.

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TerraBloom ECMF-315, Quiet 12' (313mm OD) Inline Duct Fan with 0-100% Variable Speed Controller, Air Tight Metal Casing, Energy Efficient EC Motor.

... and air filtration applications. Our inline blowers can also create negative pressure environments, simulate wind, exhaust odors and smoke as well as intake fresh air from outdoors.
Built with cutting edge brushless EC Motor and dual jet type blades, this blower delivers 1662 CFM airflow rate using 260 Watts at max speed. It translates into only $660 annual cost of 24/7 operation at max speed using $0.29 average cost per KWH. Our fans don’t “purge” or waste electricity at lower speeds..
Our EC fan gives you a unique flexibility of controls – choose any speed from 0 to 100% using 2 (digital and analog) included speed controller without creating background noise or hum at low speeds. Or choose to upgrade to a wireless remote control (Model: ECMF-WR) or intelligent thermostat speed controller with temperature programming (Model: SC-ECMF). This fan supports 3d party PWM and 0-10V controllers via 3.5mm TRRS port.
Coated steel housing resists rust, protects motor and blades from accidental damage and harsh elements to reduce maintenance in demanding applications. This fan has IP64 ingress protection rating.
Duct Diameter: 12.3” (313mm) * Airflow: 1662 CFM * Power: 260W * Noise: 50-75 dBA * Max Pressure: 500 Pa * Bearings: Dual Ball * Size: 14.02 x 1....

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Receiver or Amplifier Megabase 12 Volt Trigger-Controlled Cooling Fans (12v), with multispeed Control, for Home Theater

...hich covers 145 square inches, and air is drawn out over the entire area of this raised base..
The system includes a 12 volt trigger control module, which turns the fan on and off, under the control of your component’s 12v trigger socket. The 12v module controls the power from the cooling system’s multi-speed transformer, directing it to the fans when it detects a 12v signal. In addition, you control the speed of the fans, with the multi-speed power controller..
IMPORTANT: Some receivers have a non-standard setup, where the receiver doesn’t directly control the trigger (for example, the trigger might be under the control of Zones 2 or 3, etc.). Please consult your receiver’s manual for details about how its 12v trigger operates, or contact me if you have questions..
Recommended fan speeds for this system: The fans (running together) are rated at 13db while moving 50 cubic feet of air per minute at 1/3 speed, or 16db & 72CFM at 1/2 speed. With component cooling, slow (and quiet) are the way to go! Other available speeds: 2/3 speed = 19db/98CFM, 3/4 speed = 22db/110CFM, full speed = 25db/148CFM..
The Megabase cooling unit measures 14.5″ wide, and 10″ deep. It is 1-1/2″ tall, and only requires about 1/....

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GDSTIME Big Airflow Dual 120mm Fans DC 12V Powered Fan with AC 110V - 240V Speed Control Cabinet Chassis Cooling Fan Server Workstation Cooling Fan

Dual 120mm fans designed for Cooling Cabinet, Chassis, Server and Workstation.
The speed controller designed to set the fans' speed to optimal noise and airflow levels..
4V - 12V Power Control | Input: 100V - 240V 50/60Hz | Output: DC 4-12V 200-2000ma.
Total Airflow: 166CFM | Total Noise: 35dBA | Current: 0.5Amp | Dual Ball Bearings, Working up t 50000 hrs at 25 degrees..
Dimensions: 4.72in(L) x 4.72in(W) x 1in(H) in per fan. Totally Size: 9.45in(L) x 4.72in(W) x 1in(H).

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Creality Ender 7 3D Printer Metal Dual Extruder, Beyond Fast Printing Speed 250MM/S, Core XY, Carborundum Glass Bed, Exclusive Rapid-Power Motor & Large Volume Nozzle, Build Size 250x250x300mm

Extreme Fast Print Speed-250mm/s: The printing speed of Ender 7 3D Printer is 250mm/s, which is nearly 5 Times faster than previous models. It is equipped with dual motors that work in parallel, so that the entire body can be better coordinated, so it can complete higher-level printing..
Newly-developed for Geek & Professional: This Ender 7 is specially recommended for Geeks & Professionals. It has more powerful functions than other models with the support of printing size-250 x 250 x 300mm and has a machine tool made of silicon carbide glass. The space of the machine tool has also increased to 4000 cubic millimeters. It is equipped with dual cooling system that can provide strong extrusion force when working..
Dual Cooling Fans: Ender 7 3D printer is equipped with dual fans, which can cool the machine in time and quickly during high-speed printing. Its fan is equipped with a high-performance butterfly-shaped wing air duct, so that this Ender 7 can inhale 169% more air than previous models. It can provide a good working environment for the machine, and make the extruded filaments smoother and more textured..
Core XY design: All stepping motors designed for Ender 7 Core XY printers are fixed, and the print bed moves vertically. This makes the tool head t....

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Cryorig CR-M9PA M9 Plus CPU-Tower-Ventirad - Black

Proven premium heatsink (more than 300 awards and recommendations from international hardware websites), now available in an all-black design that....
Extra-wide 140mm dual-tower design with 6 heatpipes and dual fans provides maximum quiet cooling efficiency on a par with many all-in-one....
Dual-fan design with renowned, award-winning NF-A15 140mm fans with Low-Noise Adaptors and PWM for automatic speed control: Full cooling performance....
Includes high-end NT-H1 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1700 (LGA17xx family) LGA1200, LGA115x, LGA2011,....
Renowned Noctua quality backed up by 6-year manufacturer’s warranty, deluxe choice for Intel Core i9, i7, i5, i3 (e.g. 12900K, 12700K, 12600K) and....

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