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The Metallics knockout seal model 90056 is a three-piece seal designed for a trade size of one and one-quarter inches. This product is suitable for various applications in electrical, plumbing, and HVAC systems. Each pack contains ten pieces, providing an efficient solution for sealing knockout holes in panel boxes.
This knockout seal effectively plugs holes, ensuring safety and compliance in installations.
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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