Matala Hakko Medium Bubble Air Disc Diffusers Size:12" Diameter but it is great for

but it is great for fresh water lakes

Complete filters or replacements filter cartridges are available

Bulkhead Fittings

allowing you to adjust the air flow to 2 or more diffusers with adjustable ball valves

and other high fish load applications

Matala Hakko Medium Bubble Air Disc Diffusers Size:12" Diameter but it is great forMatala Air Disc Diffusers feature medium sized holes in the rubber membrane to produce medium bubbles. Originally designed for the wastewater treatment industry, and thus conform to very high standards. The larger air pore size which contributes less than 6" of water depth back pressure. The 3 4" male thread makes it easy to attach to your feed line. Maintenance The disc is very low maintenance and in some cases NO maintenance. Simply wash the disc