When you're hoping to take a sip of cool, clean water as you're hiking the trails, don't taste dirt and dust instead. As a protective measure, fit this valve cover right over the mouthpiece. In turn, it keeps out any debris and particles that could end up in your Hydrapak Blaster?? bite valve and your water supply.. . Compatible with Osprey's Hydrapak Blaster?? bite valve. Fits over valve to keep out dust and dirt. Imported.
