FG-04 For 40mm Fan FG-05 For 50mm Fan 1.6 50 4 40 32 2.7 4-O4 1.6 1.6 1.6 METAL FINGER GUARD FG-06 For 60mm Fan 1.6 4-O4 5 4-O4.5 5 1.6 5 FG-08 For 80mm Fan FG-09 For 92mm Fan 1.8 2 1.8 9.8 15.6 171.9 4 105 4 83 71 3.2 1.6 FG-17A For 172mm Fan FG-12 For 120mm Fan 1.8 1.6 4-O4.5 4-O4.5 1.8 4-O5 5 5.2 5.5 3.6 152.3 6.6 FG-18A For 176mm Fan FG-17B For 172mm Fan O1.8 FG-25 For 254mm Fan 2 2.3 87.8 O174 76.6 O222.25 4 153 1.3 162 1.8 4-O4.6 2 4-O6 2-O5 5.5 6.2 6.35 FM 12 For 120mm Fan 4- 4.32 118.87 104.77 R25 3.5 Fan Accessories METAL FILTER GUARD