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The Minerallac Cully 90054 is a three-piece knockout seal designed for applications requiring a secure seal for open knockout holes. This product is made of steel and coated with pre-galvanized zinc for durability. It is a practical solution for protecting exposed wires in electrical installations.
This knockout seal ensures that open knockout holes are effectively sealed to prevent wire exposure and damage.
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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