Use the WBB4 for shallow ponds, water gardens or tanks requiring multiple aerators. Use the WBB6 for small to medium size ponds or for industrial tanks to improve water quality.
Fitting Size: 1/2 FNPT Optimum SCFM WBB2: 0.5 WBB4: 1.0 WBB6: 1.5. Construction: Schedule 40/80 PVC, HDPE, UV inhibited. SCFM Range: 0.25 - 0.75. Minimum Operating Depth: 2 feet. Active Surface Area: 32 sq in. Great Lakes Bio Systems, Inc. Since 1992, we've been helping people minimize the use of harmful chemicals and instead harness the power of Mother Nature using natural, eco-friendly technologies. The item "MixAir Water Bug Fine Bubble Pond Diffuser Aerator (WBB2)" is in sale since Friday, June 13, 2014. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Ponds & Water Features\Outdoor Fountains".The seller is "greatlakesbio" and is located in Sturtevant, Wisconsin. This item can be shipped to United States.