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| Management number | 217008576 | Release Date | 2026/04/19 | List Price | US$11.20 | Model Number | 217008576 | ||
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Calculating duct dimensions is a cinch with the Ductulator! The Ductulator - Duct Sizing Calculator is a hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method. This accurate, easy-to-use duct size calculator includes scales for friction loss per unit length, air volume, air velocity, round duct diameter and rectangular duct diameters. One side uses English units, the other side uses Metric units. Includes a protective sleeve with ASHRAE recommended design air velocities for system components/applications.
| Brand | BUILDER'BOOK INC. |
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| Color | silver |
| Model Name | Ductulator Trane- Duct Sizing Calculator, English & Metric Units |
| Display Type | LED or VFD |
| Manufacturer | BUILDER'BOOK INC. |
| Model Number | 35544337 |
| Power Source | Battery Powered |
| Calculator Type | Specialized (HVAC Duct Sizing) |
| Mfr Part Number | 35544337 |
| Enclosure Material | Plastic |
| Number of Batteries | Nonstandard Battery batteries required. |
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