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3M 2" Putty Sleeve

Brand: 3M Mfg#: DT200
Product#: 479DT200
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Kit allows for both new and retrofit data and telecom cable firestop installations. Ideal for high traffic cable penetrations


  • Ready to install kit for a complete cable or blank firestop installation
  • No gasket required
  • Two piece split/hinged design for easy retrofit installation on existing cables
  • Tested up to 4 hr for fire rated through penetration systems in accordance with ASTM E 814 (UL 1479)
  • Suitable for installation in gypsum wallboard and concrete walls or floors
  • Blank sleeve (0% cable fill) accommodates future cable installation


  • Brand: 3M
  • Includes: (1) Galvanized Steel Sleeve, (2) Galvanized Steel Mounting Brackets, (4) Hex Head Self-Drilling Screws, (8) Coarse Thread Drywall Screws, (2) Installation Identification Labels, Fire Barrier Moldable Putty
  • Color: Silver Sleeve with Red Putty
  • Size: 2 in Diameter X 12 in Length
  • Type: Round
  • Standards: UL Listed
  • Construction: Split Body
  • Mounting: Attaches to Gypsum Walls, Concrete Walls and Floors