Ecoblast rechargeable signal air horn

*Never buy another refill - recharges with air.
*Meets U.S.C.G. regulations.
*Environmentally friendly – 100% ozone safe.
*No dangerous chemicals or vapors.
*Saves you money & the environment.
*Can be stored indoors or outdoors.
*Recharge the Ecoblast quickly and easily with air from the included hand pump, a bicycle pump, a service station air pump or compressor (100 psi recommended).