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๐ Size it right, every time โ the proโs secret weapon for flawless airflow!
The Air Duct Sizing Calculator is a compact, handheld sliding tool designed for HVAC professionals to precisely size supply and return duct systems using equal friction or velocity reduction methods. Featuring dual-sided scales for duct dimensions, friction, velocity, weight, surface area, and pressure drop charts, it consolidates essential HVAC formulas into one durable, water-resistant device. Measuring 4" by 8.5", itโs built for field durability and trusted by thousands of users for accurate, on-the-go duct sizing.
| ASIN | B006XIQ7DM |
| Best Sellers Rank | #60,666 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,575 in HVAC |
| Brand | HVACCHARTS |
| Calculator Type | Air Duct Sizing |
| Customer Reviews | 4.6 4.6 out of 5 stars (944) |
| Display Type | Physical |
| Enclosure Material | Other |
| Item Dimensions L x W | 4"L x 8.5"W |
| Manufacturer | DEFLECTAIR |
| Mfr Part Number | 9W-7LPQ-JTV2 |
| Model Number | 9W-7LPQ-JTV2 |
| Power Source | Battery Powered |
| Screen Size | 4 Inches |
| UPC | 683405356684 |
| Unit Count | 1.0 Count |
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