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Your pipes are not having elbows. The elbow will affect part of the air volume and the discharge is not clean, and it is normal for you to choose a larger one.
Backward-tilting high-efficiency cabinet centrifugal fan. >>>More
No, as long as the upper wellhead is not blocked, it can be automatically vented.
Suggestion: Product model: Vantage 601AZ
Specifications and sizes: 900 long 570 high 559 deep sales location: home appliance stores in the city, Vantage stores. >>>More
Kitchen smoke exhaust, now most of the new house decoration uses range hoods, for range hoods, the state stipulates that the index air volume value is greater than or equal to 7m3 min.
Around 40 inches.
The distance between the sofa and the wall, eye health is also an issue that must be considered, so the actual distance is only about two meters eight effective distance, and the diameter of the head of someone sitting on the sofa should not be too big. >>>More