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.

White and Black Magnetic Brush Specification:
Size: 10.6cmx3.8cmx6.8cm ,Suitable for aquarium 30~50cm with thickness ≤4mm.
Media Size: 13.5cmx5cmx7.5cm ,Suitable for aquarium ≤80cm with thickness ≤6mm.
(If your fish tank is thicker and you want stronger magnetic force, we suggest you choose a medium size)
Material: plastic+magnet
Color: white, black
Carbon fiber blade size:3.5cmx2.2cm
Note: 
Carbon fiber blades are only used for magnetic brush replacement blades, made of carbon fiber, not metal.

White and blue magnetic brush Size:
7cmx3.7cmx6.8cm (Small Size)
9.5cmx4.3cmx7.2cm (Medium Size)
Small size brush suitable for aquarium 25~50cm with thickness less than 4mm.
Medium size brush suitable for aquarium 40~70cm with thickness less than 6mm.

Note:Please allow 1cm differs due to manual measurement.
Due to the different display and different light, the picture maybe a little different with the actual color of the item. Thanks for your understanding.
Please keep the product away from children and pacemaker wearer.

1pcs Aquarium Fish Tank Magnetic Brush with 2pcs Standard blades/2Pcs Carbon fiber blades/1pcs Aquarium Fish Tank Magnetic Brush(2pcs Standard blades+2pcs Carbon fiber blades) 


White and blue magetic brush