Data Port Case/Inlet Only - 316 SS Cover with One Blank Plug & One Open PortSmartPlug data ports are the perfect complement to SmartPlug&';s stainless shore power inlets. It offers the same look and quality as marine-grade stainless steel components. This particular data port case has one blank plug and one open port.*All single data port inlets are supplied with one connector and one blank insert.Features: Blank and open port Weatherproof Seal, which seals against a closed-cell foam gasket in the inlet lid Locks into the edge of the SmartPlug mounting flange Only requires 4 screws to mount Silicone gasket included/no messy caulk Specifications: Material: Stainless steel Color: Stainless Steel Quick Guide (pdf)