The API Water Softener Pillow – 2 oz (Treats up to 20 Gallons) #49A is brand new.
API Water Softener Pillow – 2 oz (Treats up to 20 Gallons) #49A Removes calcium, magnesium, and soluble heavy metals from aquarium water. Lowers hardness and softens the water. Do not add harmful ingredients. The convenient pouch is fully rechargeable. For tanks up to 20 gallons. One pillow.Large Treats up to 20 U.S. gallons