Lee's Aquarium & Pet Products Ultra GravelVac Self-Start Gravel Vacuum Cleaner with Nozzle & Clip

Designed to separate debris from gravel and remove it from the aquarium during routine water changes.Self-Start siphon. Features a 1 5/8in diameter x 5in long cylinder.Includes a ultra Hose Clip and a wide mouth nozzle for hard to reach areas.Wide mouth-nozzle increases surface coverage by about 20% enabling faster,more efficient cleaning with less water used