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

50PCS RJ45 Anti Dust Cover Cap Protector Protects Ethernet Hub Port by FENGQLONG (Black-Large) : Electronics

Supplier High Quality SFP LC Single Fiber Port Silicone Dust Cover Anti Dust Plug - China Rubber Parts, Rubber

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

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

OPSTRAN Dust Cover Fiber Optical Dust Caps for SFP+ QSFP+ QSFP28 Optical Module Port Plugs for Duplex LC, Black Silicone, 20pcs : Automotive

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

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

OPSTRAN Dust Cover Fiber Optical Dust Caps for SFP+ QSFP+ QSFP28 Optical Module Port Plugs for Duplex LC, Black Silicone, 20pcs : Automotive

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

10pcs SFP Port Anti Dust Cover Cap SFP Dustproof Plug Soft Silicone Protector,Dust and Moisture Proof, Protect Ports,for Ethernet Switch Router and Network Interface (Transparent) : 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