气流调节阀

五件或十件气流控制调节阀.
连接两侧4mm软管并转动阀门以调节气流.
适用于鱼，水族馆.

规格：
长度（可调）：

尺寸：
长度3.8厘米和1.5英寸

笔记：
The real product colors may be slightly different from what you see in the images.
The product dimensions may be slightly different from what is written in the product specifications.