Product details:

The SmartPlug Combo Kit includes both a 30 Amp 125 Volt inlet connector and a retro-fit connector. The retro-fit connector is designed to be used with your existing cord. This package offers superior performance and ease of use. The inlets are available in stainless steel and 3 non-metallic colors, (White, Gray or Black), of high performance/flame resistant material. Ease of Use No twist required, the unique plug body shape and push-in design mean it only goes in the right way every time even in the dark. Quick and Easy Installation Inlet mounting flange holes match twist-type holes for an installation that is typically finished in 30-minutes.