MARS Duct Seal Putty

MARS Putty

• Helps seal conduit openings, gaps and holes against drafts, dust, moisture and noise
• Under normal conditions the material will not harden or form a skin
• Gray dough like material, easy to handle
• Permanently soft compound that will adhere to most clean dry surfaces
• Temperature ranges between -20 F to 350 F
• Non-Corrosive, Non-curable, Non-Toxic