4 Pack Vacuum Cleaner HEPA Filters for Cyclonic Series RO3753EA RO3731EA RO3786EA Comprehensive Set: This package includes six high-quality silicone bite valves in a vibrant, each featuring an inner column. Ideal for personal use or sharing with friends and family, ensuring you always have a spare.<br> Universal Fit: Designed to be universally compatible with most hydration packs, these bite valves are particularly suited for Osprey hydration systems.<br> Superior Quality Material: Crafted from premium silicone, these bite valve sheaths offer durability, elasticity, and reliability. They are tasteless and safe, enhancing your hydration experience during any activity.<br> Hassle-Free Installation: Easily replace your old or damaged bite valves without any modifications to your hydration pack. Simply remove the old valve and insert the new one for a quick and effortless upgrade.<br> Versatile Use: Perfect for a variety of outdoor activities such as biking, running, and hiking. These bite valves serve as essential replacements or upgrades, ensuring you stay hydrated without interruptions.<br> Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!<br> Colour:Red<br> Material:silicone<br> Package Contents:<br> 6 * silicone bite valve Sheath<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.