Made 100% in the U

inexpensive renew kit is available

Part Number 771181

including filter mats and biological filter media

including koi and goldfish

Vertex 9" Replacement Diffuser Disc waterfalls Made 100% in the U9" 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