Description
Made of durable clear plastic. Net weight: 0.14 oz / 4 g. Air Hole Diameter: 3/4″ / 20mm. Application: the check valve can be applied for common aquarium air pumps, protect you air pump by preventing aquarium water from back siphoning during a power outage Quality: made of quality plastic, durable and sturdy, not easy to break, ensure long time of usage
