Potter Amseco FHEX-24SMR Explosion Proof Horn JMAC# POTTER-AMSECO-FHEX-24SMR The Federal Signal Model FHEX Explosion Proof Vibrating Horn produces a loud and distinctive tone by the electromechanical vibration of a diaphragm. This horn is designed for use in alarm notification systems and is compatible with fire alarm and... MSRP: Was: Now: $1,436.17 In Stock Expedited Shipping Available Need it Tomorrow? Need it Tomorrow? Select the NEED IT FAST shipping option at checkout and a member of our team will contact you promptly with any available Expedited Shipping options once we receive your order. Add to Cart