10PCS Fish Tank Filter Brush Flexible Bendable Cleaning Brush Durable Stainless Steel Core Bristle Brush Aquarium Cleaning Tools

Material: 304 Stainless Steel Core Hydrophobic PP Bristles. Sizes: 30cm 1240cm 1650cm 20. Color Options: Forest Green Stealth Black. Certifications: RoHS. Key Features Benefits: 1. Dual-Action Filtration Power. This advanced bio brush performs physical and biological filtration simultaneously. Its dense bristles capture suspended debris, fish waste, and uneaten food across a large surface area. Meanwhile, the deep six-groove design provides massive area for nitrifying bacteria colonization, converting harmful ammonia and nitrites into safe nitrates. Far more durable than floss or sponges!. 2.304 Stainless Steel Core Saltwater-Safe. Industrial-grade rust-proof stainless steel withstands saltwater, extreme pH 4-10), and temperatures up to 300°C. Never warps, cracks, or snaps like plastic alternatives built for a decade of reliable service. 3. Silent Overflow Gentle Flow. The spiral brush design breaks turbulent water, reducing overflow noise by up to 70 in sumps, wet/dry filters, or reef