The EcoBlast™ Sport Air Horn is Ideal for sporting events - stadium safe and no chemicals! It can be heard up to one mile (1.6 km) away! Up to 50 half-second blasts per 80 psi charge. The EcoBlast™ Sport rechargeable safety signal air horn can be refilled by any bicycle pump, air compressor or local service station. For use in all types of weather!

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