Mag - Float Large Floating Algae Aquarium Fish Tank Magnet Cleaner - 16mm Glass
The original floating magnet cleaner suitable for Fresh or Saltwater glass aquariums.
Easily cleans away nuisance algae without getting your hands wet.
Powerful neodymium magnets create a strong magnetic coupling between the two halves.
If the magnets become separated the cleaning magnet floats to the surface for easy retrieval.
Dimensions overall (L x W x H mm): 82 x 64 x 24.5mm
Suits GLASS thickness up to: 16mm