These OEM replacement inner nose cone is the perfect solution if your o-rings or vent plug are damages. This is a direct fit for the Seasooter Classic, Classic Pro, GTI and VS Supercharged. It comes compete with the inner nose cone, o-rings and vent plug.
Also it is important to apply silicone grease to your o-rings after each use. Remember, Vaseline and other petroleum based lubricates can cause your o-rings to deteriorate, so always use a grease that is safe for o-rings.