The 1-1/4 in. Knockout Seal covers exposed knockout holes in steel outlet boxes and other metal enclosures. Thanks to a zinc-plated steel construction, it is corrosion resistant. It is usable both indoors and outdoors.
The 1-1/4 in. Knockout Seal covers exposed knockout holes in steel outlet boxes and other metal enclosures. Thanks to a zinc-plated steel construction, it is corrosion resistant. It is usable both indoors and outdoors.
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