AC Fans /DC Fans /Blowers /WireFanGuards /PlasticFanGuards /FanPowerCords /FanFilters Wire Form Fan Guards Click on the Part No. to view with Image Detail Part Number For use with fan size Rib Material Dia. Ring Material Dia. Mounting Hole Centers (M/C) Outside Ring Dia (OD) mm in mm in mm in mm in mm in Qualtek 08149 40 1.5 1.60 .063 1.60 .063 32.0 1.26 29.1 1.15 Qualtek 08147 60 2.5 1.60 .063 1.60 .063 50.0 1.97 53.1 2.09 Qualtek 08172 80 3 1/8 1.60 .063 1.60 .063 71.4 2.81 76.2 3.00 Qualtek 08174 92 3 5/8 1.60 .063 1.60 .063 82.4 3.25 89.4 3.52 Qualtek 08128 120 4 1/2 2.31 .091 1.80 .071 104.8 4.13 115.6 4.55 Qualtek 08129 120 4 1/2 2.31 .091 1.80 .071 104.8 4.13 115.6 4.55 Qualtek 08141 120 4 1/2 2.03 .080 1.60 .063 104.8 4.13 117.3 4.62 Qualtek 08146 120 4 1/2 1.60 .063 1.60 .063 104.8 4.13 109.5 4.31 Qualtek 08170 120 4 1/2 1.80 .071 1.80 .071 104.8 4.13 115.6 4.55 Qualtek 08125 150 6 2.31 .091 1.80 .071 161.9 6.38 154.4 6.08 Qualtek 08126 150 6 2.31 .091 1.80 .071 161.9 6.38 154.4 6.08 Qualtek 08127 254 10 2.31 .091 2.31 .091 174.0 6.85 222.3 8.75