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The Milbank A-HS400 is a hole seal that is designed for four-inch applications. This product is essential for covering extra push button holes, knockouts, and conduit openings. Constructed from steel, it features a painted galvanized back plate that provides durability and resistance to environmental elements.
This hole seal offers a reliable solution for maintaining the integrity of electrical boxes and enclosures. It effectively prevents the intrusion of dust, dirt, and moisture.
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