• Material: Mineral stone + Plastic
• Color: Gray
• Suitable for inner diameter 4mm soft tube.
• 40mm /1.57" x 15mm /0.59" (D*H)

Description:

100% brand new and high quality

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

Easy and convenient to use.

Specifications:

Material: Mineral stone + Plastic

Color: Gray

Suitable for inner diameter 4mm soft tube.

Size :

40mm /1.57" x 15mm /0.59" (D*H)

Note: due to the different monitors， Please allow slight difference with the colors.

Package included:

1 x Air Stone