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The L.H. Dottie D40S is a 1-1/4 inch knockout seal made from steel and zinc-plated for durability. This three-piece assembly is designed to effectively seal holes punched in electrical panels or knockouts from outlet boxes. It is essential for maintaining a neat and secure electrical installation.
The Dottie D40S knockout seal is ideal for sealing electrical panel openings and provides easy installation without rearranging wiring.
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