Door and window ventilators
F90W is a built-in natural ventilator. The shell is made of aluminum without any protrusions. There are control parts in the cavity of the profile. F90W is installed under the glass, which is especially suitable for sliding windows. It flows upward naturally, and the indoor profile is processed into a mosquito net shape, which can prevent insects.
When the total length of the ventilator is greater than 800mm, the software and hardware in the middle are disconnected, and the bilateral switches are controlled
When the total length of the ventilator is less than 800mm, the right single side switch control
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