PLG75RA - Appleton 3/4" Aluminum Explosion-Proof Recessed Head Insert Plug

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PLG75S - Appleton 3/4 in Explosionproof Square Head Close-Up Plug, Steel, Thread

PLG300S - Appleton 3 Inch Square Head Close-Up Plug, Threaded, Malleable Iron

PLG75R - Appleton 3/4 in Recessed Head Close-Up Plug Dust-Ignitionproof Zinc Ele

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PLG400 - Appleton 4 Inch Explosionproof Recessed Head Close-Up Plug, Malleable I