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Duct Sizing
ExactCharge duct sizing calculates duct sizes based on CFM (cubic feet per minute) and Velocity (feet per minute). Similar to conventional duct slide rules and wheels, it instantly displays corresponding duct sizes for round, rectangular, and flex ducts. Included are equivalent readouts for rectangular duct. Corresponding static for duct size is also available.
  • Instantly calculates duct size from entered CFM and Velocity.
  • Displays corresponding duct size for rectangular ducts.
  • Provides static correlation for round, rectangular, and flex ducts.
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