Calculator/Slide Rule - Flexible Ductwork_AB
$21.25
Description
Double Sided with Flex Duct Calculator.Flexible Duct Friction Loss Calculator.As specified in the Air Diffusion Counci's Flexible Performance & Installation Standards Green Book.Replaces / Supersedes: Flex Duct Flexible Duct Calculator 34-3453-01 34345301 Flexible Duct Friction Loss Calculator