Duct Calculation Slide Rule

Duct Calculation Slide Rule

SKU: 978-1-892765-14-7
One of our most popular catalog items! This durable two-sided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct-sizing procedures. One of our most popular catalog items! This durable two-sided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct-sizing procedures.
    $72.74Price