JOVXIAZ 10-Pack LC to LC Duplex Fiber Optic Coupler – Keystone Jack Adapter for Wall Plates and Surface Mount Boxes, Multimode OM3/OM4 Compatible, with Dust Caps

["10-Pack Value Bundle: Includes 10 LC to LC duplex fiber optic couplers with dust caps—ideal for bulk installations in structured cabling projects or network expansions.","Keystone Compatible Design: Easily fits standard keystone wall plates, patch panels, and surface mount boxes for a clean and professional fiber optic installation.","Reliable Multimode Performance: Designed for OM3/OM4 multimode fiber networks, ensuring low loss and stable connectivity across high-speed fiber systems.","Clean & Secure Connection: Ceramic sleeves and dust caps help maintain signal integrity by keeping connectors protected from dust, damage, and misalignment.","Wide Compatibility: Supports both multimode (OM1/OM2/OM3/OM4) and singlemode (OS2) LC fiber optic cables—ideal for telecom, LANs, data centers, and FTTH applications."]