Hose for the Tower iSUP electric pump. Compatible with all Tower inflatable paddle boards. This 3 foot, vortex air pump hose is extremely durable and can easily be detached from the pump base. Compatible with all Halkey Roberts inflatable valves and can easily be interchanged with other various air hoses. Make sure to fully fasten this hose onto your air generator to avoid any air leaking, and strong hissing sounds. Water resistance, and an extremely durable outer layer make this hose one of the best on the market.