SPA   

 Self-draining whirpool pumps  Construction Self-draining, single-impeller pumps, with motor insulated from pumped water, constructed with high quality, corrosion-proof plastic materials, with stainless steel diffuser. Compact design (158 mm wide). PVC pipe connections:  Ports for cementing joint, with external thread for union coupling.  Applications For spas, hydromassage bathtubs and whirlpool baths.