3" SPIRAL DUCT 45 DEGREE ELBOW NO SEALANTS OR DUCT TAPE NEEDED - SELF SEALING Meets SMACNA'S Leakage Class 3 Requirements High Quality - All Welded Seams THIS PRODUCT IS A PATENTED SELF-SEALING SPIRAL DUCT SYSTEM, THE LATEST INNOVATION IN THE HVAC INDUSTRY. IT IS AN ENVIRONMENTALLY FRIENDLY PRODUCT, A MOST ENERGY EFFICIENT SYSTEM FOR YOUR GREEN APPLICATIONS AND THE MOST UNIQUE WAY TO JOIN ROUND DUCT AND
3" SPIRAL DUCT PIPE (48 inches long) - MADE IN THE USA DIRECT FROM OUR FACTORY! NO MIDDLE MAN PRICE MARK UP. Also Available in custom cut lengths, just let us know NO SEALANTS OR DUCT TAPE NEEDED -
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