18" 7 Blade Fan Counterclockwise 1.50 Pilot 2.50 Bolt Center to Center & 2.87 Bolt Center to Center BWC 4735-41296-13

Diameter of blade from tip to tip: 18"

Number of blades: 7

Rotation: Counterclockwise

Pilot hole: 1.50

Bolt measurement from center to center: 2.50 & 2.87