Bite valve and cover replacement part for Near Zero hydration bladders and standard size hydration bladder tubes. Bite valve ONLY. Does not come with hydration bladder or tube. Includes just the bite valve and cover. Shipping Time: Orders processed and shipped within same day, or next business day of placement date. Shipped from Arizona. Delivered in 2-6 days with FREE GROUND SHIPPING on all orders over $99 that ship within the 48 contiguous United States. Additional shipping options available