Dust covers insert easily into unused sfp lc ports, to protect your network switches from dust and contaminants made of durable rubber easy to insert and remove work with sfp sfp lc ports in optical networking equipment protect your sfp xfp sfp modules from dust and contaminants, by covering up the duplex lc connector when it’s not in usethis 10-pack of sfp dust covers provides an inexpensive way to protect your network switches and fiber optic equipment from dust and contaminants, by covering the exposed and unused lc fiber optic ports.Protect your network equipment investmentsimply insert the dust covers into the lc port of any sfp sfp transceiver in your network switches. Made of a durable rubber, the dust covers block dirt and dust particles that could cause connection issues from getting inside your equipment.The sfplccap10 dust covers are backed by a startech.Com 2-year warranty and free lifetime technical support.The startech.Com advantage features proper use network switch product colour black material rubber compatible ports slots lc weight & dimensions package width 13 mm package depth 15 mm package weight 2.01 G package height 7 mm width 18 mm depth 15 mm height 7 mm weight 2 g logistics data products per master outer case 2000 pc s master outer case length 638 mm master outer case width 334 mm master outer case height 282 mm packaging content quantity per pack 10 pc s technical details compliance certificates rohs leaflet