30 Pcs Electrical Outlet Insulation Pads, Outlet Insulators and Draft Sealers, Foam Gasket for Electrical Outlet Plates, Wall Insulation Gasket for Switch Covers, Switch Plate Insulation. Improve Energy Efficiency: After installation, the wall switch socket cover can seal the vents tightly, making it difficult for cold air/warm air to escape through the air outlet box, which can effectively prevent wind and heat insulation and help improve energy.
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