Quick test on 16" of rigid vs flexible duct. 1 minute test results below.
๐๐ข๐ ๐ข๐ (๐ฌ๐ฆ๐จ๐จ๐ญ๐ก)
Avg 58.9 cfm
Min 55.0 cfm
Max 61.8
๐
๐ฅ๐๐ฑ๐ข๐๐ฅ๐ (๐๐จ๐ซ๐ซ๐ฎ๐ ๐๐ญ๐๐), ~๐๐% ๐๐ฌ ๐ฆ๐ฎ๐๐ก ๐๐ข๐ซ ๐ฆ๐จ๐ฏ๐๐
Avg 44.3 cfm
Min 43.8 cfm
Max 44.6 cfm
