A duct plug is used to seal the space between the duct and the cable in a duct.
A plug has a dummy rod so it can also be used to close a duct without a cable inside.
The plug is divisible so it can be installed after blowing a cable in the duct.
Watertight and airtight.
Simple installation around existing cables.
Seals all types of inner ducts.
Easy to retrofit.
Wide cable sealing range.
Install and remove by hand.