About This

• 【Durable Nylon Material, Fish-Safe & Rust-Free】Crafted from high-strength nylon mesh, these filter bags are tear-resistant and durable for long-term submersion. Equipped with rust-proof plastic zippers (no metal parts), they prevent rust. The filter sock is safe for freshwater, saltwater aquariums, ensuring a secure environment for fish and plants
• 【Precision Fine Mesh, Zero Media Leakage】With a mesh hole diameter of ＜1.2mm (finer than standard bags), the charcoal bag for fish tank filter securely contain most aquarium filter media—including ceramic rings, bio-sponges, activated carbon, and even fine-grained media. Prevents media scatter that clogs pumps or pollutes water, while allowing efficient water flow to boost filtration
• 【Universal Size, Fits Multiple Filtration Systems】Measuring 4"×6" (10×15cm), this versatile size seamlessly fits canister filters, hang-on-back filters, undergravel filters, side filters, and aquarium sumps. The filter media bags perfect for both home small fish tanks and commercial display tanks, ensuring broad compatibility
• 【16-Pack Black & White Combo, Organized Filtration】Each pack includes 8 white + 8 black fine mesh bags (16 total), ample for categorizing media—separate by type (physical/biological filtration) or location. Makes maintenance easier by allowing quick identification and replacement, avoiding messy media mixing
• 【Reusable & Eco-Friendly, Easy to Maintain】Smooth plastic zippers enable easy opening/closing for quick media refills or replacements. The washable nylon material lets you rinse and reuse the filter media bags, reducing waste and saving costs long-term. Lightweight design for effortless handling during routine upkeep