SUNSUN Air Stone Round 4cm Aquarium Oxygen Bubbles for Aquarium Fish Tank Pond Pump Aeration Bubbles

Descriptions:

This bubble diffuser oxygen stone can create beautiful walls of bubbles that not only look good, but also help aerate and circulate the water.

100% brand new and high-quality bubble diffuser oxygen stone for aquarium fish tank pump.
Creates bubbles in fish tank while attached to a fish tank pump (pump is not included).
Sintered by high temperature, this porous stone is durable, of good filtration effect and washable.
Helps to increase oxygen levels, water currency and improves water quality.
20pcs, 10 pcs and 5pcs oxygen stones in 1 set, a good value for money.
Fit for freshwater, saltwater aquarium and hydroponic use.

Specifications: Round Air Stone