• Plastic non-return valve
• Necessary to avoid water can spill out from the tank
• Has to be directed correctly with the arrow towards the aquarium

Made from plastic, BLU 9097 is a non return valve for aquariums which can be used together with the suitable silicone or pvc pipes, necessary to avoid water can come out from the tank through the silicone small pipe.
Please pay attention: for a correct use of the valve we suggest to direct it correctly with the arrow pointed towards the aquarium.