Duct Seal Compound Plug, 1-Lb.
The duct seal 1 lb. Compound plug is ideal for sealing and protecting gaps, holes and conduit openings against dust, moisture, drafts and noise. This easy-to-handle compound is non-conductive, non-toxic and non-deteriorating and will not harden or form a skin under normal conditions.
We Also Recommend
King Innovation DryConn Large Aqua/Blue Waterproof Wire Connector (3-Pack)
Eaton Cooper Wiring Arrow Hart Ultra Grip Locking Connector 30A, 125/250V Black (Black, 125/250V)