Gardner Bender 1 lb. Plug Duct Seal Compound
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Gardner Bender Duct Seal Compound Plugs is a dough-like material that is easy to handle. This material helps seal and protect gaps, holes and conduit openings against dust, moisture, drafts and noise. This material is non-toxic, non-corrosive and non-staining. This seal can be used in temperatures that range between -20 degree F up to 350 degree F.