We can supply metal fan guards and plastic fan guards. Dimensions: YM-03 for 30mm fan We can supply metal fan guards and plastic fan guards.Dimensions: YM-03 for 30mm fan, YM-04 for 40mm fan, YM-05 for 50mm fan, YM-06 for 60mm fan, YM-07 for 70mm fan, YM-08 for 80mm fan, YM09 for 92mm fan, YM-12 for 120mm fan, YM-15 for 150mm fan