feature: Ozone Aerated Stone, Bubble Stone Using Super Hard Steel Sand, After High Temperature Sintering, good gas diffusion, good Filterability, ozone corrosion resistance Increases lower levels of oxygen, CO2, and raises PH, creating Water Currents It is an important tool to successfully keep fish in the water for the respiration process. Durable, can be reused and washed repeatedly. Creates bubbles in the fish tank while attached to an air pump (Air Pump and Air Tube not included).
Specifications: Color: As Picture Material: Iron sand Item Size: Approx. Dia.5cm. Item weight: 98G Package includes: Only 1*Air Bubble Stone (no tube) Suitable for inner diameter 4mm tubes
note: - Soak in water for 15 minutes before use. -For long-term use, if there is dirt clogged and bubbles dropped, please take out the fish tank and wash it again. and again -Air Stone can be reused. -Compost fertilizer for watering plants. - Due to the different display and light, the picture may be slightly different.