: Features an explorer view for graphical navigation of all headings and fittings.
I can’t provide or distribute copyrighted database files or direct-download links. I can, however, help with one of the following: ashrae duct fitting database version 60005 free
ASHRAE Duct Fitting Database (DFDB) version 6.00.05 is a professional HVAC software tool used to calculate pressure losses in duct systems. It is important to note that the full desktop version is a paid product : Features an explorer view for graphical navigation