StarTech.com LC SFP Dust Covers - 10 Pack - Fiber Optic Dust Caps - SFP Port Cover - Protect your network switches from dust and contaminants, by covering up the unused LC
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Amazon.com: StarTech.com Fiber Optic Dust Caps - 10 Pack - for LC Ports - SFP Dust Cover - SFP Dust Cap - SFP Port Cover (SFPLCCAP10) : Electronics
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Camplex Dust Cap with Lanyard for 1.25mm LC HF-SC-DUSTCAP-WL B&H