Eterspr Air Stone for Ponds, Bubbler for Aquariums, Large Air Stone Disc, 4mm Hose Can Be Connected, for Ponds, Aquariums and Aquariums

• DURABLE MATERIAL: Made of high temperature sintering sand and stone, it is strong and non-toxic, and can be safely placed in your pond and aquarium. Suitable for connecting 4 mm hoses.
• Durable design: Air stone made by high temperature sintering is more durable than ordinary air stone. For long-term use, you only need to clean and brush the surface of the vent once a month.
• Air outlet: The air outlet has a flat design, and the high-density pores ensure that the air outlet expands evenly and stably.
• Functional performance: The matted structured vent can increase the oxygen content of the aquarium pond water, reduce the carbon dioxide concentration and keep your fish and shrimp alive.
• Wide range of applications: Our vents are ideal for use in ponds, aquariums, wind basins, seafood basins, aquaculture, etc.

Product description Product Description 1.Aquarium bubbler is easy to install and remove. 2.It can continuously create fine air bubbles to effectively distribute the oxygen in the aquarium. 3.Soak the diffuser in water for an hour before use. Product Specifications: Color:Black Size:13cm/5.11mm Material:Harmless minerals Package includes: 1 X aquarium bubbler Notes: 1. If you have any questions, please contact us, we will answer your questions within 24 hours. 2. C'è un errore di 1-5 mm dovuto alla misurazione manuale, ma ciò non influisce sull'uso. Directions NO