Parts for Stainless steel 6W UV Ultraviolet Light Sanitizing System This is a set of replacement parts for Stainless Steel 6W/16W UV water sterilization system (item # 222268877388 and item # 323183729406). It is used to seal the 6W or 16W UV light Stainless steel chamber from water. This set of parts includes: 1 x silicone stopper (D), and 1 x silicone sealer (E) for the Stainless steel 6W or 16W UV light. It does not include the UV light bulb or anything else.