4"x2" Cylinder Air Stone Aerator Diffuser Hydroponics SET OF 4
$25.99
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Features: Fit for 3/16" standard airline tubing Made of safe, washable and non-toxic material. Accelerate oxygen replenishment Increase water circulation when used with a high-output air pump Great for freshwater, saltwater/reef aquariums and hydroponic use Dimension: 2" D x 4" H
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