1. Replaceable scraper one brush for two.
2. Glass fish tank stainless steel scraper.
3. Acrylic fish tank plastic scraper.
4. Small size is suitable: about 30-50cm length fish tank fish tank glass thickness 5-10mm.
5. The medium size is suitable for fish tank with a length of 50-80cm. The thickness of fish tank glass is 5-12mm.
6. Large size is suitable: about 120cm length fish tank fish tank glass thickness 10-15mm.