Magnetic Aquarium Fish Tank Brushes Floating Clean Glass Window Algae Scraper Cleaner Brush

Features:
The new aquarium fish tank magnet has strong magnetic force.
As you move the outside magnet, the inside magnet brush follows to clean the glass.The floating inside brush won't sink in the fish tank.
Clean algae and scum off of the inside of your aquarium the easy.

Specification:
Size: 10.6cmx3.8cmx6.8cm ,Suitable for aquarium 30~50cm with thickness ≤4mm.
Material: plastic+magnet
Color: white, black
Carbon fiber blade size:3.5cmx2.2cm