Sera Filter Wool Mechanical Aquarium Filter Media - 100g Bird Litter Durable & Safe Materials: Made

Durable & Safe Materials: Made from pet-safe

and mineral deposits without scratching or clouding the glass

and eventually place it outside

With targeted nutrients for immunity

Scent: White musk

Sera Filter Wool Mechanical Aquarium Filter Media - 100g Bird Litter Durable & Safe Materials: MadeSera Filter Wool 100G provides effective mechanical filtration by trapping fine particles and suspended debris before they reach biological filter media. This high quality, synthetic wool is suitable for all freshwater and saltwater aquariums, ensuring clear, polished water and reducing filter clogging. Material: High density synthetic fiber Safe for aquatic life Neutral in pH, durable in water flow Usage Instructions: Place the wool at the first or