Screw Size: M5; Diagonal Hole Distance: 34mm / 1.4 inch; Parallel Hole Distance: 24mm / 0.94 inch; Fit Fan Diameter:30mm / 1.2 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: 34mm / 1.4 inch; Parallel Hole Distance: 24mm / 0.94 inch; Fit Fan Diameter:30mm / 1.2 inch Advantage: This fan finger grill not only ventilate and can be dustproof, and it can help extend the life of the fan.