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It doesn't make a difference what brand you buy. It's just that the big brands are all with a hole, and some styles don't.
can be installed; But after installation, the toilet tank is 8-10 cm away from the wall. It must be at least 5-6 cm. This makes it look ugly and unconvincing. >>>More
It should be called "pit distance". Refers to the distance from the drain of the toilet to the wall.
If the wall tile is 38, buy 40, and buy 30 if the wall tile is not 38, but if it is 30, there may be a gap of about 3 cm between the toilet and the wall.
The pit distance of the toilet bowl in the bathroom refers to the distance from the center of the toilet outlet to the back of the water tank. >>>More
1. The specifications are different.
The walls on the back of the toilet with a 40 pit distance and the toilet sewage pipe with a 30 pit distance are 30cm and 40cm respectively, so the layout of the bathroom will be different. >>>More