100 PCS Bubble Stone for Aquarium Tank Aerator Pump, Diameter:30mm(Black Spherical)

1. Single weight: 25mm 15g, 30mm 35g, 40mm 64g, 50mm 105g
2. Application: aeration of fish tank
3. Material: corundum sand
4. Specifications: single-hole air intake, all 4 mm plastic nozzle
5. Scope of application: aquarium, fish farm, fish tank, restaurant, etc
6. Features: high temperature sintering, uniform oxygen increase, firm and durable, large air output, fine foaming, frosted surface, delicate and smooth feel, good dissolved oxygen effect and long-term use
7. Note: the actual gas output effect will vary depending on the power, air output and water depth of the air pump