Fastened Fountain units are offered for all of our one/2HP-5HP Aerating Fountain styles; great for purposes exactly where a floating unit won’t suffice! These are ideal for architectural concrete basins, indoors and out and may be modified for earthen bottoms at the same time. This outdoor fountain from Crisp Architects https://thebuildermarket.com/pros/oc-pond-and-fountain-care-trbi90kb