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The visible surface of the frame fan is only 54mm;
The recommended weight for door and window sashes is 90Kg, with a maximum weight of 160Kg;
The fan is invisible, and the lines of the frame fan are simple, smooth, and sturdy;
It can be matched with glass with a total thickness of 39mm, and the insulation coefficient can reach 1.8 W/㎡· K,
The sound insulation coefficient can reach 42 dB, further enhancing the insulation and sound insulation performance;
Hidden hardware combination, handle with multi-point lock design, both simple and safe;
Fully upgraded high-quality EPDM sealant strip, which can achieve three sealing effects;
The cavity is designed with equal pressure and smooth drainage;

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