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The Arlington NM903 is a non-metallic snap-in knockout bushing designed for easy use in conduit installations. This product is made from durable plastic and is available in black. It is ideal for applications where a clean finish is needed after making a knockout in a box or panel. The trade size is one and one-fourth inches.
Use this knockout bushing to ensure safe and efficient conduit installation, preventing dust and other elements from entering unused knockouts.
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