Best 2 1 2 Knockout Seal in 2022 [*Top Picks*]

2069 Reviews Scanned

• Bestseller #1

  Morris 21796 Type S Knockout Seal with Screw and Bar, 2-1/2", 1-Pack (159)

  Type S Knockout Seals with Screw & Bar - Set screw/bar type knockout seals are inserted in open box knockouts to protect exposed wires. Set screw/bar type knockout seals are inserted in open box knockouts to protect exposed wires Used in standard, air tight or dust tight applications Pre-assembled screw and backer bar slides on open knockout holes without removing box devices or covers Steel Galvanized

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• Bestseller #1

  Sigma Electric ProConnex 49152 Knockout Seal 1-Inch, 1-Pack (386)

  Package Height : 0.508 Cm Package Length : 2.54 Cm Package Width : 2.54 Cm Product Type : Home Lighting Accessory

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• Bestseller #1

  Knockout Seal, Gasketed, Oil Tight Hole Seals, 2 1/2", Steel, Gray Painted (1) (8)

  Steel hole seal covers are painted ANSI-61 gray. Each set includes the Cover with weld stud, gasket, back plate and wing nut. Hole seals are available to cover holes ranging from less than 0.25" up to 4.00".

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• Bestseller #1

  Knockout Seal, Gasketed, Oil Tight Hole Seals, 1 1/2", Steel, Gray Painted (1) (53)

  Steel hole seal covers are painted ANSI-61 gray. Each set includes the Cover with weld stud, gasket, back plate and wing nut.

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• Bestseller #1

  2" Knockout Seal (11337)

  COUNTRY OF ORIGIN MX

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• Bestseller #1

  Knockout Seal, Gasketed, Oil Tight Hole Seals, 1/2", Steel, Gray Painted (1) (53)

  Steel hole seal covers are painted ANSI-61 gray. Each set includes the Cover with weld stud, gasket, back plate and wing nut.

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• Bestseller #1

  Halex, 2 in. Knock-Out Seal , 60720, 1 per pack (8674)

  Designed to cover exposed knock-out holes in steel outlet boxes and other metal enclosures For indoor and outdoor applications Zinc-plated steel construction Corrosion resistant 2-Inch trade size For indoors or outdoors Use to cover exposed knock-out holes in steel outlet boxes and other metal enclosures Steel 2-Inch trade size 2.688-Inch x 0.375-Inch dimensions

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• Bestseller #1

  Halex, 1 in. Knockout Seals , 96073, 2 per pack,Silver (2395)

  Covers exposed knock-out holes in metal enclosures Steel construction Zinc-plated for corrosion resistance Designed for 1 in. knockouts

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