“StarTech.com 100 RJ45 Dust Covers – Reusable RJ45 Blanking Plug/ Dust Cap – Snap In Ethernet/LAN Port Protector/ Blocker for Hubs/Switches – 100 protective RJ45 dust covers/caps install in RJ45 female jacks/LAN/Blanking panels/Ethernet ports keep open slots in switches & equipment dust free – RJ45 plug/protector/blocker prevents network downtime due to debris Snap-in installation/removal RJ45 BLANKING PLUG/DUST CAP” has been added to your cart. View cart