Matala® Gravel Vacuum Head Flow Rate at 9 Feet of Head_915 GPH Build a compact water feature Flow Rate at 15 Feet of Head_4100 GPH Build a compact water feature with a stream of almost 7′ long and reservoir of only 3′ x 4′ x 18″ deep MEA Pro Mini 2000 MEA Pro 1 MEA Pro 2 Plus W MEA Pro 3 MEA Pro 3 Plus MEA Pro 3 Plus W MEA Pro 4 Plus MEA Pro 5 Plus MEA Pro 6 Plus Suggested Pond Depth Up to 5' Up to 6' Up to 6' Up to 7' Up to 7' Up to 7' Up to 8' Up to 10' Up to 10' Compressor HK25LP HK25LP HK40LP HK40LP HK40LP HK60L HK80L HK100L Rated Performance CFM LPM 0 The Gravel Vacuum Head can be used to clean the surface of the rock or it can be pushed down into the gravel up to 2 inches deep for a deeper cleaning Cleans up to 3" deep gravel