- Universal aquarium air pump accessory kit can fit for most oxygen pumps brand. Perfect for providing good and freshwater environments to the fish tank.
- The airline tubing for your DIY cutting. The inner diameter is 4mm. Use flexible material, toxic-free, white, flexible, and kink-resistant.
- Wide Application: Suitable for 4 mm Standard Interface air tubing. Help to dissolve more oxygen, increasing the amount of oxygen in the water. Ideal for creating many oxygenating bubbles within your aquarium.
- High Quality: Air stone high temperature fired, do not fade, do not drop the sand. Made from high quality ore material, environmentally friendly, durable and stable.