The 3M E-A-R UltraFit 340-4004 Corded Earplugs are premium reusable hearing protection devices designed to provide consistent noise reduction, superior comfort, and long-term durability in industrial, construction, manufacturing, engineering, and maintenance environments. Featuring a patented premolded triple-flange design, these earplugs fit a wide range of ear canal sizes without requiring rolling or shaping before use.

The integrated cord helps prevent loss and keeps the earplugs readily accessible between uses, while the convenient poly bag allows hygienic storage and repeated reuse. Manufactured from soft, washable materials, the UltraFit earplugs deliver reliable protection and all-day comfort for workers exposed to hazardous noise levels.

Compatible with the 3M™ E-A-Rfit™ Validation System, enabling employers and safety officers to verify proper fit and hearing protection performance.

Key Features

• Reusable and washable design for extended service life
• Premolded triple-flange construction for secure fit
• Fits a wide range of ear canal sizes
• Corded design reduces loss and improves convenience
• No rolling required – quick and easy insertion
• Comfortable for prolonged wear
• Suitable for industrial and occupational hearing protection programs

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