Top Grower 6 Inch Round Air Stone Disk

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This is a circular disk airstone 6 inches in diameter. It is an excellent means to add air to roots in deep water culture systems. Your plants will thank you. 
This unit has a metal tubing connector that provides excellent durability when submerged for long periods of time. This model will outlast models with plastic fittings. 
This unit is compatible with 1/4 inch air tubes.

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