PURA Carbon Hydrated Acid Washed by Magnavore. **** PRODUCT INFORMATION **** **** PRODUCT MANUAL **** PÛRA Carbon is an acid washed, virgin, activated carbon made from the highest select grades of bituminous coal and specifically designed for liquid phase applications. PÛRA Carbon has high adsorption capacity, the lowest ash content of any carbon on the market and maintains high resistancy to mechanical degradation. Convenient to implement, comes with a 6" x 12" 300-micron media bag.