Interruptor de presión de aire NPT de 70-100 PSI 1/4" rosca de montaje en tanque 12 V/24 V se adapta a bocina de tren
Fits 12V or 24V Applications Ideal For Air Horns,Train Horns,Air Suspension Compressors,ect. 1 x Horn Compressor Air Pressure Switch（As shown in the picture）. High Accuracy : Tank Mount Type.