alliance pump action air horn setALLIANCE PUMP ACTION AIR HORN SET The Alliance Pump Action Air Horn Set is all you need to start your event off with a bang. Compact and easy to use, simply pull the pump at the bottom and push up for the sound. Excellent for sporting events for when a loud noise is required. No gas required making this horn safe and easy to use. SPECIFICATIONS: Assembled length approx. 25cm Air horn with pump action operation High sound output No gas required Compacy