Copper wire mesh does great job in keeping pests and rodents away from plants and houses.
Stuf-Fit Copper mesh is a kind of knitted wire mesh
This copper wool has special interlocked structure. You can tack it, staple it or glue it to any openings. Compared with steel wool, copper wool has two advantages. First, its knitted construction often catches rodents' teeth and makes it hard for them to chew through or remove. Second, copper mesh never rusts.
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