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Back To School Acca Duct Calculation Slide Rule Black Friday Exclusive [AfKbQXHE]
$21.99
$70.99
-69%
This durable two-sided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct-sizing procedures. Designed by Hank Rutkowski.Uses: Sizes metal ducts, lined metal ducts duct board airways, and wire helix flexi
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Back To School Acca Duct Calculation Slide Rule Black Friday Exclusive [AfKbQXHE]
This durable two-sided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct-sizing procedures. Designed by Hank Rutkowski.
Uses:
- Sizes metal ducts, lined metal ducts duct board airways, and wire helix flexible ducts
- Converts round shapes to equivalent rectangles
- Correlates available pressure with total effective length and friction rate (Manual D sizing calculations)
- Converts velocity into velocity pressure and vice versa
- Corrects for altitude and temperature
What Our Customers Say
Absolutely no complaints!
The durability is impressive.
- Christine Morris.
Absolutely no complaints!
This is an efficient, no-nonsense product.
- NoNonsense.
Absolutely no complaints!
I would definitely buy this again.
- Michelle W..
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