UNIVERSAL 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.

Filter Media Bag
Aquarium Mesh Media Filter Bags – High Flow – with Drawstrings