Product name: Aquarium air pump stop valve.
Product color: red.
Product material: plastic.
Product packaging: 30pcs aquarium air pump stop valve.
Product features: The product is durable, high-quality, not easy to age, and can be used repeatedly. 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 water in the aquarium from siphoning from the back during a power failure, thereby protecting the air pump from damage and improving the service life of the air pump.
Product connection: There is a small arrow on the body of the product, the head of the arrow is the output, which is connected to the tube 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 use: This product can be widely used in air pumps, aquarium tanks, fish tanks in fishing shops, etc.

Notice:
1. Due to manual measurement, please allow deviation in length.
2. Due to different monitors and lighting effects, the actual color may be slightly different from the image.