DIYbanter - View Single Post

[email protected]

On Fri, 23 Jan 2009 06:00:43 -0800 (PST),
wrote:

I need to extract 247 cubic metres per hour from my bathroom...
I have a 1.5 metre
run. Currently I have 100mm circular flexible hose already installed,

You do know the problems of all flexible ducts? At best the
ridges greatly reduce actural air flow at worse they collect
condensation causing other problems.