Vertex 9" Replacement Diffuser Disc feed-cl0-small pond aerator If the color of the

If the color of the water is pea green and/or green scummy pieces are floating on the top

The included skimmer and BioFalls® filter provide efficient mechanical and biological filtration

Product Manual:  Vertex® Air1 XL2

Highly concentrated

Vertex 9" Replacement Diffuser Disc feed-cl0-small pond aerator If the color of the9" Vertex, MicronBubble replacement diffuser disc. Fits all Vertex AirStations Diffusers Self cleaning and low maintenance EPDM compound with 100% rebound memory Flexible, long wearing, and clog resistant even in the dirtiest water bodies Highly efficient even during low or moderate air flows FlowControl technology equalizes airflow to each disk Energy efficient die cut perforations with a "Delta" surface pattern increase active surface area and