The DB36 is a durable, <b>100% American-Made </b> pond air diffuser.<br>Using High-Effieciency aeration tubing, these diffusers offer <b>higher flow rates</b> with <b>lower back-pressure</b>.<br><b> Reduces system wear </b> and <b> extends compressor life</b>.<br> Use them to improve the effectiveness of any aeration system.<br><br><b>Features:</b><br>13" Ring Diameter / 36" of Aeration Tubing<br>Built-in Check Valve<br>Stainless Steel Strain-relief clamp for 3/8" or 1/2" air line.<br> Includes Hose barbs for 3/8" and 1/2" air line.<br>100% Stainless Steel Base is Completely Corrosion Resistant.<br> Built-In Handle and Rope Tie-Off for <b>Easy Deployment</b>.<br>Stainless base has<b> NO SHARP EDGES.</b> <br>Effective at any Water Depth. Easy to clean and very low maintenance. <br>Produces FINE, 2-3mm bubbles for Increased Diffusion Rates. <br><b>600 GPM flow rate for with ONLY 2 CFM!</b><br> Works with <b>ANY brand</b> of compressor<br>Suitable for use in <b>Fresh Water, Salt Water, Brackish Water, FRAC Tanks.</b><br>Requires 1.5CFM to 6CFM air flow. Max Pressure: 50PSI.