E5YK Water Tank Adjusting / Regulating Valve - Black (10 PCS)
Model E5YK Quantity 10 piece(s) per pack Color Black Material Plastic Specification Suitable for adjusting water volume and oxygen volume and regulating airflow helping increase oxygen and keeping fresh air; Provides healthy environment for fish; Convenient to connect flexible pipe (diameter: 2mm/0.08" not included) Packing List 10 x Valves