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SLFT2 Tubular Daylighting System

LightFlex Dual-Tube Daylighting System

By Sunoptics

    Buy America(n)
  • Overview
  • Specifications

The LightFlex SLFT2 daylighting system from Sunoptics® delivers natural light into interior dropped-ceiling applications. The LightFlex Duo system consists of two highly-reflective (98% reflective MIRO-SILVER®) tubes extending from one roof penetration, to deliver natural daylight and/or electric light to two luminaires. It delivers the same amount of light as two single tubular daylighting devices (TDDs), but with only one skylight.

The LightFlex system uses our 3-step system (Capture, Transport and Distribute) to optimize daylight when available. Daylight is captured through the Signature Series skylight and distributed through our prismatic optics sphere into the light well. Light wells (tubes) use 98% reflective MIRO-SILVER® with 99% specular quality to drive and distribute the natural daylight through the diffuser/lens into the interior space. The result inside your space is an optimum amount of glare-free, diffused daylighting.

  • Reduces installation cost/time with one roof penetration
  • Simplifies design to implement daylight harvesting
  • Provides access to natural light throughout the day
  • Adjustable elbows to bypass obstructions
  • Multiple diffuser/lens choice
  • Optional light louver

Listings: Signature skylight is HVHZ Approved. FM Approved. AAMA Certified. NFRC Certified. UL Certified to meet U.S. and Canadian standards.

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Compliance Listing BAA
Product Type Tubular Daylighting
Lens/Diffuser Material Acrylic, Plastic, Polycarbonate
Primary Material Acrylic, Polycarbonate
Series SLFT2
  • Suggested Replacement Products


  • Spec Sheets

    Document Type Document Title Description Updated View
    SPEC SHEET SLFT2 LightFlex Duo.pdf LightFlex™ DUO | SLFT Dual-Tube Daylighting System 1/6/2021 View
    SPEC SHEET Sunoptics CSI Spec Sheet.docx CSI Specifications for Sunoptics Skylight Products. rev 2020 5/21/2020

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    How to Buy

    Sunoptics products are primarily sold through a network of agents and distributors.

    Technical and Design Support

    The Sunoptics team is dedicated to providing outstanding support giving each project design and installation individual attention.  Should you have any questions, email our technical support team:

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