Fiberglass Hole Plugs | McMaster-Carr

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7/8" to 1 9/32"

1 3/8" to 1 3/4"

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10 Products

Electrical Enclosure Plugs

Watertight Knockout Plugs for Enclosures

Watertight Knockout Plugs for Enclosures

Don't let water sneak into unused conduit knockouts

Other Products

Electrical Enclosure Drain Vents

Electrical Enclosure Drain Vents

Prevent moisture from getting trapped inside enclosures while letting air flow through

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)