✔Made of plastic, Ethernet Hub Port RJ45 Anti Dust Cover Cap Protector fit for all Ethernet Port RJ45. 
✔Prevent dust and debris from entering the port when it is not in use, prevent the contact point of the ports oxidized and causing contact problem. 
✔Prevent unauthorized access.

High Quality Rubber anti-Dust Cover, Durable.
Suit for DC Threaded Female Panel Mount Connector.
Design for Several types DC Power Jack, detail please check our picture.

● Protect 1394 4pin ports from being exposed and keep your network equipment safe from dust, debris and moisture, extending the lifespan of your device.
● Fit for any standard 1394 4pin ports of switches, routers, network cards & media converters and more.
● Made of high quality durable and reliable silicone material, exhibit a high level of resistance to harsh environmental factors and retain their shape and flexibility even after frequent use.
● Easy to insert and remove, fit snugly and stay in place.

● Protect SFP/SFP+ ports from being exposed and keep your network equipment safe from dust, debris and moisture, extending the lifespan of your device.
● Fit for any standard SFP or SFP+ slot of your open ports of switches, routers, network cards & media converters and more.
● Made of high quality durable and reliable silicone material, exhibit a high level of resistance to harsh environmental factors and retain their shape and flexibility even after frequent use.
● Designed with a pull-out tab, easy to insert and remove, fit snugly and stay in place.

Fit for : Micro USB 
Material : Silicone 
Color : Black/white/so on 
Brand new and high quality replacement. 
Replace port cover for your old key cover. Just spend little money to get a new look for your phone.

● Protect SFP/SFP+ ports from being exposed and keep your network equipment safe from dust, debris and moisture, extending the lifespan of your device.
● Fit for any standard SFP or SFP+ slot of your open ports of switches, routers, network cards & media converters and more.
● Made of high quality durable and reliable silicone material, exhibit a high level of resistance to harsh environmental factors and retain their shape and flexibility even after frequent use.
● Designed with a pull-out tab, easy to insert and remove, fit snugly and stay in place.