To aid clearing syphon again in 2 months an again if necessary before bottling.

2个月内再次清洁虹吸管,如果有必要,在装瓶之前重复这一操作.

With adjustable setting pressure, it can keep metering pumps dosing accurately and be an anti-syphon.

可在定量泵浦输送时，建立稳定输送压力，输送精确定量的药液，并可防止虹吸。