5/10X Check Valve Fish Tank Aquarium Air Pump Silicone Non-Return One Way Airline - 5PCS Radio Control & Control Line Secure safety lock

Secure safety lock

- Cushion size : 50cm

Just as lightweight

it conforms to narrow or irregular sink edges without losing shape

anti-knife

5/10X Check Valve Fish Tank Aquarium Air Pump Silicone Non-Return One Way Airline - 5PCS Radio Control & Control Line Secure safety lockA check valve is an essential accessory when installing an air pump for your aquarium. Due to gravity, water will always try to find its own level, which means that if your air pump is placed below the water level, you risk flooding in the event of a power failure. The addition of an inexpensive one way check valve can save you the trouble of flooding your aquarium. They are designed to allow flow in one direction only, so they will allow the pump to