Feature: -Easy and convenient to use -Increase oxygen levels, lower CO2 and
raise pH -It is an important instrument to successfully keep aquatic fish for
respiration process -Durable, washable and sintered by high temperature,
different from other air stones -Creates bubbles in fish tank while attached to
an air pump -Creates water currents and dazzling underwater scenes.
Description: Material: Mineral stone + Plastic Size: Approx. 40mm x13mm
D*H),80mm x13mm (D*H) Suitable for inner diameter 4mm soft tube
Package includes: 1 pcs Air Bubble Stone
Note: Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual
measurement. pls make sure you do not mind before you bid. Due to the
difference between different monitors, the picture may not reflect the actual
color of the item. Thank you!
On 25-Oct-21 at 23:16:12 EDT, seller added the following information: