Reviews Ultra Silent Ventilation Fan

Scythe Kaze Flex 140mm Fan, PWM 300-1800RPM, Quiet Case/Radiator Fan, Single Pack

140mm PC fan with standard mounting space, the fan is ideal for computer case ventilation and water cooling radiator..
Sealed Precision Fluid Dynamic Bearing: the bearing and the spindle are made of high quality compressed metal and are lubricated by a special oil film resistant to temperatures of up to 250C° / 480F°. This drastically reduces friction, ensuring smooth operation and reduced wear, which results in long life span and silent operation..
Included antivibration rubber pads covering each corner of frame. These decouplers effectively reduce possible vibrations and allow silent operation..
Newly designed blade and frame contribute high airflow with low noise, ideal thermal fan for computer case and CPU cooler/heatsink. PWM control offers wide range fan speed for various application and system..
Connector: 4-Pin, Dimension: 140x140x25mm, Fan speed: 300±200~1800±10% RPM, Airflow: 16.8~100.8CFM, Noise: 4.19~26.45dBA, Static Pressure: 0.08~2.81mmH2O, MTTF: 120,000hrs.

Trusted Premium Brand : 18-month manufacturer's warranty and Professional Customer Service Assistance..
Silent Case Fan：The impeller was designed with a focus on minimzing the noise level (21.5 dBA) yet delivering the superior airflow (30.5 CFM) and....
Highly Efficient Ventilation : The destinctive design on the back end of the fan blades providing highly efficient ventilation (1000 RPM).
High Quality Fan Blade :Designed with 7 blades to provide high airflow (30.5CFM), good cooling capacity..
Package：（1）PF 120mm Case Fans *5；（2）1 to 3 Fan Splitter *2；（3）Screw *20.

1 Four LED Colors Available: As a excellent LED cooling system, It has four LED color for customer choose: Red/White/Blue/Ice Blue, the fan can provide a very gentle and dreamlike expression by emitting soft, constant, and bright led light..
2 Features standard 140mm mounting holes : 140mm fan is a best replacement for common 140mm case fans and perfect fitment on 140mm water cooling radiators. It provides high cooling efficiency..
3 Hydraulic Bearing with Low-Noise Design：The hydraulic bearing with high quality. making aigo fan spin at 1000RPM at low 25dBA and deliver an air flow of up to 49.8CFM.
4 Anti-vibration Mounting System: The fans come with eight pre-installed rubber anti-vibration pads reduce vibration between fan and PC case. Ultra-Silent Case Fan that Keeps Noise Level Down to 29dBA.
5 Innovative Design Enabkes Quiet And Efficient: The innovative design of the fan blades improves the air flow and facilitates a highly efficient ventilation..

RV FAN VENT COVER--Working with ultra- low noise, anti- interference, reduce the noise damage to the human body, provide a quieter and comfortable space..
ROOF VENT FAN--Low-profile aerodynamic design offers high-flow ventilation, to ensure smooth air inside the car..
SIDE VENTILATION--Working with ultra-low noise, anti-interference, reduce the noise damage to the human body, provide a quieter and comfortable space..
RV VENT FAN REPLACEMENT--High efficiency while ensuring low motor loss, the fan blades, stable when driving and will not fall off..
ROOF FAN--High efficiency while ensuring low motor loss, the fan blades, stable when driving and will not fall off..

Effective ventilation: fan speed is 2350 RPM, air flow is 300 CFM. Powerful blower for optimal ventilation. Suitable for grow tent, greenhouse, basement, attics, garage or kitchen..
Silent design: the deflector makes the fan airflow more concentrated and reduces the turbulence energy, thereby reducing the sound output to only 31 dB. Superior balanced blades for long service life..
Lightweight and easy to install: the light and compact fan takes up the smallest space, it can also be used in a small space. The flanges on the intake and exhaust ends can be connected easily..
Applications: help to remove exhausts and odors from kitchens & workshops and ventilate basements & attics, etc. Great used as intake fan to bring fresh air into grow rooms..

Sync with RGB Motherboards: The 750 watt gold power supply supports motherboard sync through the mobo software with the address header. ASUS AURA,....
30 Types of RGB Lighting Effects: The RGB gaming PSU gives 30 types of lighting modes and can be easily accessed with the button switch.
80+ Gold Efficiency: GAMDIAS 80 plus Gold power supplies give the best and economic solution for the power transfer for your gaming computer systems.
Automatic Fan Speed Optimization: GAMDIAS ECO fan speed control system adjusts the fan speed with the excellent balance between the power loading and....
Ultra Silent Mode: KRATOS power supply is geared with an ultra quiet fan and just a simple switch for the silent mode. Enjoy the max heat dissipation....

❄️ 【Modern design】❄️ Modern design and good looking, the unit provides continuous and quiet ventilation to allow speedy reduction of humidity levels and avoid mildew and mould growth. Paremeters: Air flow 160 CFM, Power:25w, Voltage: 110v.
❄️【Durable material】❄️ Fan frame and blade are made of high quality durable ABS plastic,UV resistant, makes it high efficiency working and long working life. Effective, extremely quiet ventilation clears humidity and odors quickly.
❄️ 【Whisper quiet】❄️ Hon&Guan used silent-clever technology with only 0.8 sone, continuous or periodic exchaust ventilation area such as bathroom, showers, kitchens and other spaces..
❄️ 【Energy saving】❄️ It has reliable low power consumption, power:25W, continuous operation, and the protection class is IP34..
❄️ 【Easy installation】❄️ The fans can be directly mounted into the ventilation shaft also suitable for ceiling mounting, just fix the fan to wall by self-tapping screws. With plug.Front panel dimension:205*205*14mm.

6 ergonomic height settings for comfortable viewing angles.
All new fan design with ultra silent, high air pressure Loop Dynamic Bearing.
Removable plate for easy fan maintenance.
Adjustable anti-slip holders keep your laptop or tablet in place.
Large 230mm Silent Fan for Effective and Quiet Cooling Performance.
4-Port USB Hub for Expanded Device Connectivity.
Exclusive Fan Blade Design and Special Integrated Circuit Enables Whisper Quiet Operation.
6 Adjustable Height Settings for Optimal Viewing or Typing Angle.
Removable Diamond Mesh Fan Cover for Easy Cleaning.