Sera Internal Sponge Filter L300 – Air-Operated Biological Filter for Aquariums up to 300 L

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The Sera Internal Sponge Filter L300 provides reliable, gentle filtration for aquariums up to 300 litres.It uses an air-lift system powered by an external air pump to draw water th rough a fine-pore sponge, removing debris while offering a large surface area for beneficial bacteria to colonise. Perfect for breeding tanks, fry rearing setups, shrimp aquariums, or any environment that requires low water flow and safe filtration. Key Features: Air-driven sponge filter for aquariums up to 300 L Provides both mechanical and biological filtration Gentle flow – ideal for small or delicate fish and shrimp Fine-pore sponge captures debris without harming fry Silent, low-maintenance design Requires connection to a standard aquarium air pump (sold separately) Usage Tips: Connect to an air pump using standard airline tubing. Rinse the sponge gently in aquarium water during maintenance (avoid tap water to preserve bacteria). Clean or replace the sponge when water flow is reduced. Ideal as a primary filter in smaller setups or as a supplementary filter in large aquariums. Show more