Matala Geyser Hi-Flow Submersible Water Pumps Max Flow Rate:18000 gph These airstones produce finer bubbles

These airstones produce finer bubbles for increased aeration efficiency with no increase in pressure

Includes pollutant level indicator

25" knockouts: six for airlines

These Pondmaster® Fountain Heads are suited for a variety of fountain pumps

Matala Geyser Hi-Flow Submersible Water Pumps Max Flow Rate:18000 gph These airstones produce finer bubblesMatala Geyser Hi Flow Pumps are excellent, vertically oriented submersible pumps perfect for use as large pond pumps, fountain pumps and water feature pumps. They can be placed directly into the pond, requiring little installation. These noise free pumps can even be hidden inside pond skimmers. These high flow pumps require adequate water depth with unhampered flow to the pump. Pumps must be submerged in water at least 26" deep at all times, and there