The Economy 2" Round Air Stone is an affordable and effective solution for increasing oxygen levels and improving water circulation in ponds, aquariums and filtration systems.

Designed to produce a steady stream of fine bubbles, this durable diffuser helps maximise oxygen transfer while supporting healthy fish, beneficial bacteria and biological filtration.

Manufactured from high-quality porous mineral material, the air stone evenly disperses air from your pond pump, creating excellent water movement and helping to eliminate stagnant areas.

Ideal for use with Evolution Aqua AirTech Air Pumps and other standard pond aeration systems, it is suitable for everything from small garden ponds to koi ponds and moving bed filters.

Simple to install and built for continuous operation, this 2-inch round air stone is a dependable choice for maintaining healthy water conditions all year round.

✔ Fine Bubble Aeration ✔ Healthier Fish ✔ Improved Water Quality

Improve oxygen levels and keep your pond healthy with the Economy 2" Round Air Stone – an affordable, reliable diffuser that delivers efficient aeration for ponds, filters and aquatic systems.