Disc diffusers mount at the bottom of a pond and push air through a thin membrane creating air bubbles to turn over and aerate water. They attach to a system of pipes that maintain constant airflow from a shore-mounted compressor which is not included. They're typically used in wastewater and pond treatment.

Tube diffusers mount at the bottom of a pond and create air bubbles to turn over and aerate water. They attach to a system of pipes that maintain constant airflow from a shore-mounted compressor which is not included. They're typically used in wastewater and pond treatment.

These diffuser systems come with a shore-mounted air compressor, tubing, and tube aerators for a full aerating solution. The tube diffusers create air bubbles to turn over and aerate water.