Under normal circumstances, if the home is not a villa, a 4-point water pipe is enough. Only if the home is a villa with a few bathrooms, or if you live on the upper floors of a building, the water pressure may be low. At this time, you need to consider whether to use 6-point pipe.
When decorating, it is necessary to use not only drainage pipes but also water supply pipes. There are many materials for water supply pipes, and PVC water supply pipes are more popular. When purchasing, you need to master the specification table of PVC water supply pipes, and then according to Choose your own home situation.