Download Duct fitting calculator (free) APK v1.23

Free download Duct fitting calculator (free) APK for Android, PC. Latest version is 1.23, update at February 2, 2022

Duct fitting calculator (free) version 1.23 is only one variant.

Calculate the duct size from the offset .I will calculate the channel length of the spiral duct and round duct .45 degrees from 45 degrees , 90 degrees from 45...