Sealey 100L V-Twin Direct Drive Air Compressor 3hpALUMINIUM CONSTRUCTION V Twin pump with aluminium cylinder head with cast iron cylinder gives added resistance to wear. AUTOMATIC CUT OUT Fitted with fully automatic pressure cut out switch and twin gauges displaying tank and working pressures. RELIABLE AND QUIET Pump head directly coupled to heavy duty induction motor for reliable and quiet operation. HIGH QUALITY TANK Precision welded receiver tank manufactured to meet Pressure Vessel Directive.