1.Flow resistance is small.
2.On-off is laborsaving.
3.The water hammer is not easy to come.

1.Flow resistance is small.
2.On-off is laborsaving.
3.The water hammer is not easy to come.

1.Flow resistance is small.
2.On-off is laborsaving.
3.The water hammer is not easy to come.

1.Flow resistance is small.
2.On-off is laborsaving.
3.The water hammer is not easy to come.