Bolsas pequeñas de malla para filtros de acuario de 500 micras de alto caudal de 3.0 x 8.0 in con cordones para carbón activado - Bolsa reutilizable para filtro de carbón vegetal de tanque de peces - Bolsas acuáticas para tanques de agua dulce o saladaUNIVERSAL FILTER MEDIA BAG Optimal for Activated Carbon (Carbon Sold Separately)! Aquarium mesh filter media bag is ideal for small filter media such as pelletized and granular carbon, zeolite, peat, crushed coral, barley pellets, ammonia, nitrate, phosphate, and silicate removers and other types of granulated filter media. For very fine resins such as Purigen and CupriSorb use our EXTRA FINE media Bag. SAVE MONEY Our 4 pack of 500 micron high flow