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The Minerallac Cully 90066 is a three-piece circular knockout seal designed for three and one-half inch conduit applications. This knockout seal is made from steel and features a pre-galvanized or zinc plated finish for added durability. It is specifically designed to fit into open box knockouts, protecting exposed wires and enhancing safety. This product is suitable for various applications including commercial, industrial, and residential construction.
The Minerallac Cully knockout seal provides a secure closure for knockout holes, ensuring that no debris or moisture can enter the enclosure. Its design includes stamped measurements for quick identification, making it easy to use on the job.
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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