Environmentally friendly plastic materials? fine workmanship? accurate control.<br />Built-in rubber gasket? more efficient prevention of leakage? as well as more muted.<br />Good accessory for aquaculture and aquarium oxygen supply systems? used with air pump tube to adjust air volume.<br />Adjustable switch? suitable for controlling the air output of the air pump and etc.<br />Material: Plastic<br />Color: White<br />Size: 42 x 25 x 10mm<br />10pcs x Air Switch<br /><img src="http://img6.eachbuyer.com/x9/p100/ch268_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ch268_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ch268_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ch268_7.jpg" />