STEEL KNOCKOUT SEALS  There are 6 products.

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  1/2" Steel Knockout Seals 1/2" Steel Knockout Seals

  Topaz’s snap in Knockout Seals install easily into unused box knockouts, helping to avoid the time intensive process of removing the either the box device or cover. Topaz’s snap in Knockout Seals...

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  3/4" Steel Knockout Seals 3/4" Steel Knockout Seals

  Topaz’s snap in Knockout Seals install easily into unused box knockouts, helping to avoid the time intensive process of removing the either the box device or cover. Topaz’s snap in Knockout Seals...

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  Add to Compare
• Quick view New

  1" Steel Knockout Seals 1" Steel Knockout Seals

  Topaz’s snap in Knockout Seals install easily into unused box knockouts, helping to avoid the time intensive process of removing the either the box device or cover. Topaz’s snap in Knockout Seals...

  More

  Add to Compare
• Quick view New

  1-1/4" Steel Knockout Seals 1-1/4" Steel Knockout Seals

  Topaz’s snap in Knockout Seals install easily into unused box knockouts, helping to avoid the time intensive process of removing the either the box device or cover. Topaz’s snap in Knockout Seals...

  More

  Add to Compare
• Quick view New

  1-1/2" Steel Knockout Seals 1-1/2" Steel Knockout Seals

  Topaz’s snap in Knockout Seals install easily into unused box knockouts, helping to avoid the time intensive process of removing the either the box device or cover. Topaz’s snap in Knockout Seals...

  More

  Add to Compare
• Quick view New

  2" Steel Knockout Seals 2" Steel Knockout Seals

  Topaz’s snap in Knockout Seals install easily into unused box knockouts, helping to avoid the time intensive process of removing the either the box device or cover. Topaz’s snap in Knockout Seals...

  More

  Add to Compare