Feature●Identical replacement for the unit included with any Python No Spill Clean and Fill Aquarium Maintenance System●Suitable for both freshwater and marine aquariums●Made with the highest quality materials●Comes with a female connector●Durable and reliableDescription This 10" gravel tube is an identical replacement for the unit included with any Python No Spill Clean and Fill Aquarium Maintenance System. It includes 2.5 feet of tubing and a female connector for easy installation.