A refill valve to permit recharging using any bicycle pump, service station air pump or air compressor in seconds. Operates in all weather and extreme temperatures, works in any position and leaves no rust rings on surfaces. Emits a powerful 120 dB signal that meets all USCG Requirements. #617 Mini Air pump: Use it to quickly refill your EcoBlast rechargeabel signal air horn. Or use it to inflate fenders, bike tires, rafts, toys and more. Comes with 2 interchangeable valves.
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