Damper: both gas flow regulating button and wind board are high grade PP material, connected with 304 stainless steel bar, manually adjust the outside valve knob, control air flow.

气流调节阀：气流调节扭与挡风板均为高密度PP材质，用304不锈钢方棒连接，手动调节外部阀门旋钮，控制气流量。

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Specializing in high-grade copper floor drain, floor drain fine stainless steel, zinc alloy floor drain, basin water control, triangle valve production and sales.

专业从事高档铜地漏、精品不锈钢地漏、锌合金地漏、面盆下水器、三角阀系列产品生产与销售。

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New imported food grade SUS304 stainless steel shell design, high strength, not burst, deformation, leakage prevention effect is good, environmental protection, safe and durable.

全新进口食品级SUS304不锈钢外壳设计，强度高、不爆裂、不变形、防漏效果好、环保、安全、经久耐用。

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