This small straight air diffuser handle your pond and pond air pump with large tubing connections. The membrane designs are easier to clean than traditional airstones. The diffusers stay down easily by filling supplied nylon bags with gravel. The diffuser includes 1/2-inch barb connector, 1/2-inch barb plug and will work with 1/2-inch or 5/8-inch tubing. ...

The Diffuser will work best when placed at the center in the deepest part of the pond in summer. The rising bubbles will lift and aerate bottom water, allowing oxygen to penetrate sediments and optimize waste decomposition. This will also keep stagnant de-oxygenated layers from forming deep in the pond, and effectively circulate the entire pond if properly sized. For Winter Use: Your Diffuser ...