Duct Seal Putty Compound – 1 lb Reusable Air-Tight Sealing Plug

Description

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.