Triple USB 30W & 2x French Module - Clear White
Clear White 39367
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You can use a blank plate to cover a switch or socket that's you're not using to make it safe and to protect it from dust and moisture.
They're handy if you don't want to or can't plaster over the unused outlet.
This triple blank plate is only 2mm thick, so it really is pretty invisible on the wall. We've made it from polycarbonate which is more flexible and durable than the usual acrylic.