Hagen Ammonia Remover Filter Insert for AquaClear 30/150 – 3 pk

AquaClear 30 Ammonia Remover 3 pack 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 20 Power Filter. Net Weight: 12.8 oz (363 g).