Sewer classification
According to the type can be divided into spring water and flip water. According to the material can be divided into copper, stainless steel, zinc alloy water, etc.
Classification by Purpose
Can be divided into bathtub water, basin water, washing basin water, vegetable basin water and so on.
Selection of the Sewer
This depends on whether there is overflow in the basin, if there should be a choice of water inlet with overflow. If you don't have to choose a sewer without overflow.
