465 4IN X25′ BLK R8 FLEX FLEX DUCT STANDARD BLACK R8.0 4IN 25FT 18802404

$69.66

The MK-E R8.0 acoustical flexible duct offers exceptional sound control. Its acoustically rated chlorinated polyethylene core allows sound energy transmission through the core and insulation, and into the plenum space. A highly efficient, self-extinguishing duct, the M-KE is suitable for use in all pressure heating and cooling systems.

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SKU: 4X25XR8 Categories: , ,

Description

  • Reduced total installed cost – fast economical installation
  • Superior insulation and thermal performance
  • Easily shaped to fit oval inlets and fittings
  • All components are self-extinguishing and will not support flame
  • Underwriters laboratories UL181 listed and complies with NFPA standards 90A and 90B
  • Complies with most state and federal standards or codes
  • Unique construction will not unravel when cut
  • Suitable for air venting and drying applications
  • May help contribute to meeting LEED requirements
  • Its acoustically rated chlorinated polyethylene (CPE) core allows sound energy transmission through the core and insulation, and into the plenum space

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