Our most versatile duct fitting, combining efficient use of space and optimal airflow when a center take-off is required.
Technical Data
- GSI HETOs are designed and tested to surpass SMACNA Class 3 Leakage Standards*
- Pre-sealed with gasket made of EPDM rubber and proprietary co-polymer
- Zero VOCs
- Galvanized Steel (ASTM A653 and A924)
- G-60 Galvanized Coating (ASTM A653 and ASTM A90)
- Pressure Rating: Designed per SMACNA Third Edition 2005 Section 4.8 Figure 4-6 Branch Connections
- Dimensional Tolerance: ± 1/4”
- Patent # 10,898,920
* Test performed on standard duct fitting without dampers
- Spec Sheet:
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- Greenseam Submittal Package:
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