2L Replacement Bladder
2L Replacement Bladder, When you start to feel tipsy from whatever has been fermenting in your old hydration bladder, then it might be time to pick up the Nathan Replacement Bladder. The BPA-free 2-liter bladder fits seamlessly in your Nathan Race Vest and has a high-flow bite valve, so you don't feel like you're sucking on a golf ball when you go to get a drink.