Feature: 1. Using strong magnetic magnet, which can control the inside cleaning brush to follow the outside handle. The inside is cleaned while wiping the outside. 2. The internal floating prevents the brush (the part in the water tank) from sinking into the bottom of the aquarium, making it easy to take it out of the water tank. 3. Soft bristles, the internal parts can be cleaned quickly and effectively without scratching the aquarium glass. 4. It comes with an algae scraper, the blade is easy to install, and it can effectively and easily scrape the algae while cleaning the fish tank. 5. Made of high quality plastic material, rugged, anti-corrosion and durable. 3 sizes for you to choose from, meet your different needs. Specification: Condition: 100% Brand New Item Type: Magnetic Fish Tank Brush Material: Plastic Usage: Fish tank cleaning. Package List: 1 x Magnetic Fish Tank Brush (two parts)1 x Blade Head Note: 1. The magnetic brush has strong magnetism, so don't let children touch it, which is dangerous.2. Patients with pacemakers are strictly prohibited from using it.3. Due to the particularity of ultrawhite fish tanks and acrylic fish tanks, it is recommended to use the middle spacer filter cotton.