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This is a 40-piece set of pre-cut EVA foam gaskets that sit behind wall switch and outlet cover plates to block drafts leaking through electrical box gaps. The set includes twenty single-gang, ten double-gang and ten triple-gang seals, cut to fit toggle, duplex, rocker and combo plate openings. It suits homeowners and renters chasing cold spots near floors and exterior walls without opening up walls. Against foam rope or spray sealant, the pads are faster to install and removable, but they only seal at the plate and do nothing for gaps deeper in the cavity.
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Lowest price we've seen: $8.69 on Nov 14 at Amazon; highest $49.99 on Nov 4. Tracked across 2 stores since Nov 4.
This set includes 40 pre-cut insulation gaskets made of thick white EVA foam. Each gasket sits behind a wall switch or outlet cover to block cold air from entering through the gaps around the electrical box.
The gaskets fit toggle, duplex, rocker and combo plate openings. They seal the hollow space around the wiring in uninsulated wall cavities, which helps stop drafts and cold spots without major renovations. The foam design is meant to reduce heating and cooling costs.