Marina Extendable Air Stone for Aquariums, 5" - 12 count Wizard of Oz Requires the use of an

Requires the use of an Air Pump - not included

This gap will close properly as you tighten the adjuster knobs

Contains Real Turkey

All natural and hypo-allergenic enzyme technology eliminates odors

Marina Extendable Air Stone for Aquariums, 5" - 12 count Wizard of Oz Requires the use of anThe Marina Extendable Airstone is a durable air stone that diffuses water in every direction, creating a dazzling underwater scene. Increases surface agitation, accelerates oxygen replenishment and helps release carbon dioxide build up. Extendable air stone for aquarium use Aerates, circulates and decorates Add more than one in line for spectacular results Attach more than one together for stunning bubble walls. Fits standard airline tubing. Note: