Best Magnetic Coupling For Fans

VXB Brand Japan MFB-12C 4mm to 4mm Bellows-Type Flexible Coupling Coupling Bore 2 Diameter:4mm Coupling Length: 23.5 Coupling Outer Diameter:12

Coupling for connecting a hose to a pipe or fitting.
Hose barb on one end and female NST threads on the other.
Aluminum shank for resistance to corrosion and chemicals and brass nut for corrosion resistance, ductility at high temperatures, and low magnetic permeability.
Barbed fitting for a tight seal on hoses and a rubber seal for high elasticity and resistance to abrasion and impact forces.
Nut for tightening threaded fitting with a wrench.

Brand New & High Quality PC Case Fan Dust Filter with Magnetic Frame.
Ultra Fine PVC Mesh with Magnet (1.5mm Thickness / Strong Toughness / 0.8mm Hole) -- Sturdy, Durable, Easy to Clean and Install.
Provides Great Dust Reduction Properties, Great for Keeping Your Fans and Computer Clean, Extend the Life of Computer Hardware.
Compatible with: Most of Standard 120mm Fans or Vents (Note: item can attract iron case only, Not attract aluminum case).
Package Includes: 4x Fan Magnetic Dust Filter.

The structure is simple,easy to install,buffer,damping,convenient to disconnect.
The elastic connection, it can absorb vibration, compensate radial, angular and axial misalignment.
Shaft coupling is often used to connect servo motor stepper motor,encoder, screw driving, machine platform etc.
Widely used in the shafting transmission of various mechanical devices, such as pumps, fans, compressors, petroleum machinery, printing machinery.

APPLICATION: Couplings are usually used to connect servo motors, stepper motors, encoders, screw drives, machine platforms, etc. A great choice for you..
STABLE PERFORMANCE: The performance of this coupling is stable and reliable, with good shock absorption, cushioning and electrical insulation properties..
HIGH-QUALITY MATERIAL: Plum coupling shaft is made of high‑strength aluminum, it has excellent carrying capacity and long service life without lubrication. You can use it with confidence..
LIGHT WEIGHT: The plum blossom coupling encoder has small radial size and light weight, which is suitable for medium and high‑speed equipment. Its quality is guaranteed..
PRACTICAL: Flexibility of coupling shaft removes stress between the motor and driving components. Bring you a new and different using feeling..

Mesh and Carbon Fiber look Front Panel with light bar: Both the mesh and transparent front panel with a carbon fiber look for maximized airflow and offering a crystal-clear view of the ARGB Fan with light bar effect for more lighting effect..
x3 120mm ARGB Fans: Not 1, not 2, but 3 addressable RGB fans are included in the I-328 case, capable of operating quietly while moving high volumes of air with ARGB lighting effects..
ARGB Lighting System: The pre-installed ARGB fans and front light bars can be managed by either the motherboard or by the button on top of front panel, fan can be connected by the included hub, to create a comprehensive ARGB lighting system..
Tempered Glass Side Panel: Flex your gaming hardware, custom-loop cooling, anything you put inside your case is shown in a panoramic view through an edge-to-edge tempered glass side panel.
Optimized Airflow with Magnetic Dust Filter: Filtered ventilation on the top panel provides additional thermal support while also offering mounting options for future cooling upgrades with magnetic dust filter included..

... 4x Pre-Installed RGB Fans: Add some flair to your build with 4 pre-installed RGB fans, from front to rear. Whether you're gaming, working, or just using your PC, the lightshow created by these fans will leave a lasting impression..
Magnetic Dust Filter: Keep your build running smoothly with the Magnetic Dust Filter. The top filter is magnetic for easy removal and cleaning, and the bottom detachable filter ensures your system stays dust-free. The metal feet with rubberized cushions absorb vibrations for silent operations..
Spacious Interior: With space for up to 360mm radiator in the front, up to 240mm radiator on top, and 120mm in the rear, you'll have plenty of room for all your components. The top ports include headphone jack, microphone port, 2x USB 3.0, USB 2.0, reset, and power buttons, making it easier than ever to connect your peripherals..

[Total Size] - Outer Diameter: 12mm / 0.47".
Connection Diameter: 4mm to 4mm / 0.16" to 0.16".
[Material] - This universal coupling is made of premium iron metal material, which is durable and has a long service life, fine workmanship.
[Feature] - The universal joint of the purpose is to firmly connect the driving shaft and the driven shaft to rotate together and transmit motion and torque, cost effective coupling design, which is very flexible and easy for use, and is great replacement for your old or broken one.
[Design] - Rotatable design. Allow the angle between the two axes within a limited range vary with operational needs, and easy to set up the items on the shaft and control the holding capacity of the coupling.
[Wide Application] - Universal joint coupling are used in servo motor systems, 3D printer, cnc machine, diy encoder, spindle transmissions, stepping motors, lifting platforms, machine tool transmissions, stepping motors, encoders, screw drives, machine platforms or gearboxes, etc.
Great suitable for short support shaft, bushing model, miniature Shaft, model airplane/ boat/ car.