Vertex XL2 AirStation Assembly

Self Sinking AirStation is made of powder-coated stainless steel along with high quality Vertex rubber EPDM membrane diffuser discs. Great for any application when it comes to creating proper aeration of your pond or lake. Includes: Includes two 9" EPDM rubber diffuser discs Highly efficient even during low or moderate air flow FlowControl™ technology equalizes airflow to each disk  Energy-efficient die-cut perforations with a "Delta" surface pattern increase active surface area and aeration efficiency.  Designed to prevent settling into soft bottom sediments Includes base and 1/2" male fitting for BottomLine tubing connection Comes with a five year, no questions asked Vertex® warranty Made in the U.S.A.