Westone ER-9 Replacement Filter (Single) for ES49, 9dB, Blue

Key Features

• Westone ER-9 filter provides 9dB noise reduction, perfect for loud concerts!
• Maintain crystal-clear audio while protecting your hearing with this blue filter.
• Specifically designed for Westone's DefendEar Concert (ES49) hearing protection.
• Enjoy comfortable, snug fit with this easy-to-clean replacement filter.
• Durable Westone filter ensures long-lasting performance and reliable sound quality.
• Enhance your listening experience and protect your ears with Westone's noise filter.