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ducting efficiency of 1 linear meter (e.g. if you use 2 elbows by 90°,
the length of the ducting must not exceed 3 meters of length). Avoid
any abrupt change of direction in the ducting.
The ducting connected to the blower air outlet must have a constant
section of 220x90 mm. The ducting must be made of a material
approved by the regulations in force.
Failure to respect the above - mentioned instructions might result in
performance or noise problems, for which no warranty will be
provided
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