SureFire Hearing Protection Comply Canal Tips are the official replacements for the disposable memory-foam tips used by EP7 Sonic Defenders Ultra earplugs. When installed correctly and worn as directed, these body-heat-activated foam tips, tapered for deeper insertion, conform to your ear canal and maintain an acoustic seal, providing a Noise Reduction Rating (NRR) of 28dB.* Constructed of ultra-soft polyurethane foam, Comply™ Canal Tips provide all-day comfort and help reduce irritation and fatigue in the ear canal. Their elastometric cores feature molded-in threading that makes tip replacement (recommended every 2-4 weeks or when soiled) simply a matter of unscrewing the old tip from the EP7’s stem and securely screwing on a new one. Features: - Provide 28dB NRR when properly installed on EP7s and used as directed - Ultra-soft memory foam delivers all-day comfort and less irritation and/or ear canal fatigue - Ergonomic design features sleek, tapered shape for deeper insertion and acoustic seal - Body-heat activated for easier insertion and secure fit - Flexible threaded core makes installation easy and secure Specifications: - Size: Medium - Quantity: 3 Pair - Color: Black