Paddle Board Pump Adapter Hose, Universal Sup Pump Adaptor Hose with 7 Air Valve Nozzles Fits for Most Sup Pump, Swivel Threaded Connector, Inner Diameter 0.9inch

Most of them seem to come with a bunch of nozzles, but the threading that connects to the pump is standard. https://www.amazon.com/ZAFIED-Universal-Threaded-Connector-Diameter/dp/B0DSGY563Z