- Valcom explosion proof horn- 7 Watt- One-way- Safety-assured for explosive atmospheres- Weather-resistant- Solid metal housing- UL Listedfor use in Class I, Groups C & D Gas Atmospheres- Includes V-1092 volume control- Dimensions:6.0"H x 14.0"W x 17.5"D - VALCOM POWER UNITS (-20)- Gray
