Penn-Plax Super Battery Vac Aquarium Vacuum Cleaner #BV-2

Super Battery Vac is a super fast, easy and reliable tool for stronger, more powerful cleaning action of aquarium gravel….for sparkling clear water and healthy fish. Features battery powered motor (requires 2 "C" batteries, not included) with convenient on/off switch, algae vacuum scraper, larger impeller creates more suction, re-usable filter bag and telescoping locking extension tube for larger aquariums. Can also be used to do small water change. Simply attach 1/2" hose (not supplied) to spout or use hose adapter (for 5/8" inner diameter tubing). Shipping weight: 1 1/2 lbs.