Replacement Diffuser for New Style Hydro-Action Systems

Replacement diffuser for new style Hydro-Action aerobic treatment systems. This diffuser is made of polypropylene and is less prone to clogging as the older stone style diffusers. Each diffuser is rated for 30-55 liters of air per minute. The diffuser has a male threaded 1/2'' NPT connection. Each Hydro-Action system takes 2 diffusers.