Creates a healthy and decorative volcano of bubbles. 3", 4" and 5" diameters.
Creates a decorative volcano of bubbles, distributing air evenly and assisting in maintaining even water temperature and circulation. An aerated tank is healthy for fish, as air bubbles disperse gases through the water surface. Attaches to mini or standard airline tubing. Bury entire unit below gravel. 3", 4" or 5" diameters. The CMS for the Top Fin 4" bubble donut is 10 (10cm).