Add-A-Stone 2" x 10"

Brand:

Penn-Plax

Extendable 10" (25 cm) - 1 piece - attach more than one together for stunning bubble walls. Durable air stone diffuses water in every direction, creates a dazzling underwater scene, increases surface agitation, accelerates oxygen replenishment, helps release carbon dioxide build-up, creates a wall of bubbles and fits standard airline tubing.