7" Round Aluminum Oxide Airstones Fitting:1/2" Barb (for Poly pipe) Please see Specs/ Sizing tab

Please see Specs/ Sizing tab for sizes and lengths

Tanks are blue in colour

The head can be free-floating but we recommend tethering it on a long rope to allow it to move around with the wind(rope not included)

They penetrate and degrade pond muck by stimulating naturally occurring beneficial bacteria and adding to them

This black tubing is ideal for air lines or water lines

7" Round Aluminum Oxide Airstones Fitting:1/2" Barb (for Poly pipe) Please see Specs/ Sizing tabDescription Unlike the standard silica airstones, these can be cleaned time and time again without wearing down. These airstones are made of aluminum oxide, the same material used for grinding stones which makes them extremely durable. With increased durability, there has been nothing sacrificed in the quality of aeration delivered to your pond, tank or lagoon. These stones have been specifically designed to work well in an earth bottom pond. The 7