Advanced Wax Guards: Our hearing aid wax guards are designed with waterproof and oilproof filters that effectively block earwax, dust, and other foreign particles from clogging the horn of the device. This innovative feature significantly extends the lifespan of your hearing aids, ensuring they remain in optimal working condition while providing clear sound quality. Effective Earwax Prevention: Our wax guards are specifically engineered to stop earwax accumulation on the sound port of your receiver. This helps maintain sound clarity and enhances the durability and reliability of your hearing aids. Enjoy uninterrupted use and restore optimal audio performance with our efficient earwax prevention technology. Comprehensive Protection: These earwax filters provide practical protection by preventing earwax, dust, grease, and moisture from infiltrating your hearing aids. By safeguarding the intricate components of the device, they ensure smooth operation and reliable performance, making them essential for maintaining the efficiency of your hearing aids in various environments. Long-Lasting Durability: Our wax guards are made with high-quality materials designed for long-term use. Each filter effectively shields your hearing aids from harmful substances, ensuring they remain clean and functional over time. Invest in our wax guards to maintain the performance of your hearing aids, prolong their life, and enhance your listening experience. Versatile Compatibility: Featuring a nanometer coating for exceptional oil and water resistance, these hearing aid wax guards are compatible with various hearing aid brands, including Phonak. Color: Black Material: Plastic Package Contents: 4 x Hearing Aid Wax Guards Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.