1. Product name:Aquarium fish tank air pump diverter switch valve
2. Material: stainless steel
3. Weight: 7g/15g/21g/32g/43g/52g/7g
4. Color: stainless steel
5. Size: 3.5cm/5.2cm/7.2cm/9.5cm/11.3cm
6. Product features:
1) The size of the air pump can be adjusted
2) Simple operation, convenient and durable