Product name: Aquarium air pump stop valve.
Product color: red.
Product material: plastic.
Product packaging: 24 pieces aquarium air pump stop valve.
Product features: This product is durable, has high quality, is not easy to age, and can be reused. And the product has a detachable design that makes it easier for you to unscrew, clean and repair.
Product function: This product can prevent the aquarium water from being siphoned from the back during a power outage, thereby protecting the air pump from damage and extending the service life of the air pump.
Product connection: There is a small arrow on the main body of the product. The head of the arrow is the output, connected to the pipe on the side of the air stone, and the end of the arrow is the input, which can be connected to the hose on the side of the air pump.
Product Usage: This product can be widely used in air pumps, aquarium tanks, fish tanks in fishing shops, etc.

Notice:
1. Please allow for length deviations due to manual measurement.
2. Due to different monitors and lighting effects, the actual color may be slightly different from the image.