Fluval ProvacIdeal for cleaning gravel with ease. For aquariums with a depth of 10"+ (25 cm +). For fresh or salt water tanks. Ergonomic handle for comfortable use. Fluval pro vac: Provac offers pro level cleaning ability with consistent, powered suction that removes dirt & debris. Key features: Plug in, powered cleaning (no batteries required), Includes dual density filter pad, Spotlight led to make cleaning easy in dark areas, 2 speed settings with pause feature