Matala® Fine Bubble Membrane Diffusers Flow Rate at 20 Feet of Head_1982 GPH One system helps to prevent

One system helps to prevent the buildup of stains and mineral deposits on the birdbath or fountain surface

Watts:  70 Watts

For heavy sludge or cold-water applications below 45° F apply two 1 oz

mechanical and biological filter system for garden ponds up to 2

Matala® Fine Bubble Membrane Diffusers Flow Rate at 20 Feet of Head_1982 GPH One system helps to preventMatala Air Discs are available in a 9 inch or 12 inch diameter and are designed for the wastewater treatment industry to very high standards. The air pore size in the rubber membrane is designed to give a medium size bubble which will not put any significant back pressure on the system. In fact this special air disc only adds less than 4 inches of water depth back pressure. The 3 4" male thread makes it easy to attach to your feed line. The 9 inch