Screw Size: M5; Diagonal Hole Distance: 195mm / 7.7 inch; Parallel Hole Distance: 140mm / 5.51 inch; Fit Fan Diameter:160mm / 6.3 inch Advantage: This fan finger grill not only ventilate and can be dustproof, and it can help extend the life of the fan.
Screw Size: M5; Diagonal Hole Distance: 195mm / 7.7 inch; Parallel Hole Distance: 140mm / 5.51 inch; Fit Fan Diameter:160mm / 6.3 inch Advantage: This fan finger grill not only ventilate and can be dustproof, and it can help extend the life of the fan.