2" "slim" Lime Wood Air Stones 2" (2pk)

Limewood is an extremely durable wood, composed of very fine and straight porous grain. Each airstone is specially cut to maximize the number of minuscule air bubbles that are continuously being released into the water. The rugged, screw-in nipple ensures

• 4"x1"x6" will last an average of 4x longer then our economy stones, guaranteeing small micro bubbles which are easier to mix into water!