Skip to main content

Air Duct Sizing Calculator Slide Chart HVAC Ductulator

  • $10.95
  • Buy It Now
  • Free Shipping
    • 115 watching
    • |
    • 1025 sold
View Details
Front of calculator includes scales for friction, velocity, round duct size, weight per linear foot of round duct, surface area in square feet per lineal foot of round duct, rectangular equivalents of...
Condition:New
Time left:25d 20h 56m
Sold by: