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If you don't have a sheath, just open it 6cm.
If there is a sheath, then it depends on the size of the sheath.
It won't be blocked, and if it's blocked, it will be blocked at the time, and you can see if it's fast to get into the water now. If the flow is fast, there is no blockage.
That's a small lamp.
1.This flue is small, and the specific size can be determined according to the range hood pipe you purchased, and the general aperture is between 120-180mm! >>>More
This thickness is too thin, and it is likely that a door will be installed on this wall, so the firmness is relatively low. >>>More
It depends on where you install it, if it is a walkway downlight, it can be larger. If it is around the living room, it is just right, and there are 50 can be, it is recommended that it is best to choose a good lamp in the opening. I prevent it from being out of match with the lamp which I bought.