20Pack SFP Port Dust Cover SFP+ Anti-Dust Cap Plugs Blocker Silicone TPE Protector for Open SFP/SFP+ Slot,Fiber Optic Cover,Ethernet Port Cover Caps on Network Swithes Hubs Routers - Yahoo Shopping

50 Pack SFP Dust Cover for Open SFP/SFP+ Slot - SFP Plug - Fiber Optic Dust Caps - SFP Port Anti-Dust Cover - Network Switch Port Protector - Durable TPE Material

10Gtek RJ45 Dust Cover, Anti-Dust Cap for RJ45 Port, Dust Cap - Ethernet/LAN Port Protector/Blocker, Port Protector for Switch/Network Cards/Router/Media Converters, PVC, 50 Pack : Electronics

50 Pack SFP Dust Cover for Open SFP/SFP+ Slot - SFP Plug - Fiber Optic Dust Caps - SFP Port Anti-Dust Cover - Network Switch Port Protector - Durable TPE Material

20 Pack SFP Dust Cover for Open SFP/SFP+ Slot - SFP Plug - Fiber Optic Dust Caps - SFP Port Anti-Dust Cover - Network Switch Port Protector - Durable TPE Material

20Pack SFP Port Dust Cover SFP+ Anti-Dust Cap Plugs Blocker Silicone TPE Protector for Open SFP/SFP+ Slot,Fiber Optic Cover,Ethernet Port Cover Caps on Network Swithes Hubs Routers - Yahoo Shopping

StarTech.com 10 Pack SFP Dust Cover for Open SFP/SFP+ Slot - SFP Plug - Fiber Optic Dust Caps - SFP Port Anti-Dust Cover - Network Switch Port Protector - Durable TPE

Hirschmann SFP Port Dust Cover

10Gtek RJ45 Dust Cover, Anti-Dust Cap for RJ45 Port, Dust Cap - Ethernet/LAN Port Protector/Blocker, Port Protector for Switch/Network Cards/Router/Media Converters, PVC, 50 Pack : Electronics

SFP SFP+ SFP28 Dust Cover Fiber Optic Dust Caps Optical Transceiver Plugs for LC Duplex Port, Black Silicone, 50pcs : Automotive

10Gtek RJ45 Dust Cover, Anti-Dust Cap for RJ45 Port, Dust Cap - Ethernet/LAN Port Protector/Blocker, Port Protector for Switch/Network Cards/Router/Media Converters, PVC, 50 Pack : Electronics

SFP Port Dust Cover/ Port Blanks – Pack of 50 – Parallax Digital

10Gtek RJ45 Dust Cover, Anti-Dust Cap for RJ45 Port, Dust Cap - Ethernet/LAN Port Protector/Blocker, Port Protector for Switch/Network Cards/Router/Media Converters, PVC, 50 Pack : Electronics