Blue Planet Bubbilo Non Return Valve
Ships in 24 hours.
The Blue Planet Bubbilo Non Return Valve (sometimes called a Check Valve) is a must have to ensure water does not flow back into your air pump. Back flow can occur if the air pump is kept below the water level of your aquarium. Be smart and safe, otherwise in the event of power outage your aquarium may drain out. SIZE: 2 piece pack