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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.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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