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The L.H. Dottie D90S is a three-piece knockout seal designed for use in sealing holes punched in panels or knockouts from outlet boxes. Made from steel with a zinc-plated finish, this seal provides durable performance and resistance to corrosion. It measures three and one-half inches, making it suitable for various electrical applications.
This knockout seal is ideal for electrical fittings, providing an effective way to seal openings and ensure safety.
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