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RectorSeal® Adds Duality® Mini Dual-Spectrum UV Light for Ductless Systems

Houston, TX, July 6, 2023 – RectorSeal LLC, a leading manufacturer of quality HVAC/R and plumbing products, is adding the Dust Free® Duality Mini Dual-Spectrum UV light designed for ductless systems and HVAC installations subject to confined spaces.

With two LED strips, the Duality Dual-Spectrum delivers UVA and UVC light protection to help inactivate viruses and bacteria on damp surfaces of HVAC systems helping to ensure continued optimal performance. The dual-spectrum UV lights maximize sanitized surface areas, and the Duality’s VOC filter doubles its sanitizing power.

While small in size, the Duality Mini UV light offers an extensive list of benefits, including:

  • Dual UV LED Arrays
  • Dual UV Spectrums, UV-A and UV-C Irradiation
  • Dual Sanitizing Options
    • o VOC Filter
    • o UV Coil Scrubbing
  • Dual Input Voltage
    • o 120VAC
    • o 230 VAC
  • Zero Ozone Emission
  • Electronically Communtated Motor and Low Voltage Disconnect Tested and Qualified for Safe Indoor Applications

Installation features of the Duality Mini Dual-Spectrum UV light include durable adhesives for mounting and a clip-on airflow sensor that automatically and proactively powers the unit off and on. Its small size ensures maximum light coverage without sacrificing sanitizing performance.

“At RectorSeal, we take great pride in offering solutions for professional contractors that are easy to install, deliver outstanding performance, and offer operational flexibility,” said Karina Eureste, Product Development Manager at RectorSeal. “The Duality Dual-Spectrum UV light is designed to provide those solutions, especially in tight spaces where legacy UV lights might not be feasible.”

Since 1937, RectorSeal has offered products that have built a steadily growing and loyal following among contractors due to differentiated and proven product performance. Further, the company is often the first to tackle and solve challenges professional trade contractors face. In 2015, RectorSeal became part of CSW Industrials, Inc. (Nasdaq: CSWI), and it now plays a leading role in CSWI’s Contractor Solutions segment.

Please visit for additional details, and follow us on LinkedIn, Facebook, YouTube, Instagram, and Twitter for the latest product enhancements and news.

About RectorSeal

RectorSeal, LLC, a wholly owned subsidiary of CSW Industrials, Inc. [NASDAQ: CSWI], is a leading provider of quality solutions for the professional trades serving heating, ventilation and air conditioning (HVAC/R), plumbing, electrical, and construction markets. For more information about RectorSeal’s innovative products and brands that increase efficiency and improve reliability, please visit

About CSW Industrials, Inc.

CSW Industrials is a diversified industrial growth company with industry-leading operations in three segments: Contractor Solutions, Engineered Building Solutions, and Specialized Reliability Solutions. CSWI provides niche, value-added products with two essential commonalities: performance and reliability. The primary end markets we serve with our well-known brands include: HVAC/R, plumbing, electrical, general industrial, architecturally-specified building products, energy, mining, and rail. For more information, please visit

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Informing & Supporting
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