PRICES MAY VARY. Popular uses include audio video receiver ，heat generating goodies cabinet，server rack，storage shed，server room，garage，tanning beds, LED signs, server racks, industrial machinery, arcade systems, as a replacement fan for various products.. Dual-ball bearings have a lifespan of 50,000 hours and allows the fans to be laid flat or stand upright 1 Piece fan include fan grill and mounting screws & nuts; 1* Power Plug( 59 inches)；1*Wiring head Under 60Hz / 110V; the Speed is 2200RPM;