Python Pro-Clean Aquarium Gravel Washer & Siphon Kit, Large;

The Pro-Clean Gravel Washer and Siphon Kit effectively separates and removes debris from your aquarium gravel while you perform routine water changes. They are constructed with flexible, high quality tubing and a unique gravel tube that will not crack or chip. The large size is recommended for aquariums from 20 to 55 gallons in size.