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Happet medium-grade filter sponge (30 PPI) for aquarium filtration. Supports mechanical and biological cleaning, suitable for freshwater and marine aquariums, and easy to cut to size (25x25x5 cm). Key features: • Medium filter sponge – 30 PPI dense structure captures fine debris • Mechanical filtration: helps remove dirt, particles and impurities • Biological filtration: provides surface for nitrifying bacteria • Cut-to-fit sheet for most filter chambers and baskets • Suitable for freshwater and saltwater (marine) aquariums • Works with aquarium and pond filters
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Product description: The Happet medium filter sponge is a universal filter media for aquarium and pond filtration systems. Its dense 30 PPI structure effectively traps even small impurities to help keep water clear. At the same time, it offers an excellent surface for nitrifying bacteria, supporting stable biological filtration and a healthy aquarium environment. The sponge can be easily trimmed to fit your filter compartment or basket. The material is safe for aquatic life. Technical data: Brand: Happet Type: Filter sponge / filter media Grade/Density: Medium – 30 PPI Dimensions: 25 x 25 x 5 cm Application: Freshwater & marine aquariums Filtration: Mechanical + biological
