A-616 AquaClear 70 Ammonia Remover Insert   - Fits AquaClear 70 and "300" - Removes and controls harmful ammonia - Ideal for new and heavily planted aquariums - Helps keep ammonia levels within tolerable limits - Reduces stress on fish - Provides numerous bacterial attachment points - Recommended for FRESH WATER USE only AquaClear 70 Ammonia Remover is ideal for new or heavily populated freshwater aquariums. It removes and controls harmful ammonia and nitrite. It reduces stress on fish and is exclusively designed for use in the AquaClear 70 Power Filter. Net Weight: 12.2 oz(346 g)