Air Duct Calculator - Slide Rule Style
This rectangular air duct calculator is used by trainers, educators and technicians alike.
Provides the following information with one setting:
- Friction
- Velocity
- Round Duct Size
- Surface Area
...and more
Size: 4" x 9.5"
Materials: Heavyweight calculator board
Minimum Quantity with Imprint: 500
Minimum Quantity without Imprint: 50
