Aqua Top Volcano is easy to use 5.5 inch Volcano ornament. Simply attach to air pump (sold separately) via airline tubing and place inside aquarium. Includes a Led light for a glowing molten lava effect. Helps to release carbon dioxide build-up; fits standard airline tubing. For use in all aquariums.
Dimenstions: 4.5 inch L x 5.5 inch W x 3.5 inch H.