Check Valve This product is currently not in our store, but it may be available from our distributor. Once you place your order, we will notify you promptly about the expected availability. For immediate assistance or more information, please feel free to email us directly at HELLO@NATUREAQUARIUMS.COM.
A check valve is used to prevent water from siphoning out of your aquarium. If water siphons out it will usually damage the air pump, and lead to water on your floor. In extreme cases this can lead to fire if electronics are sitting in water.