4” Round Fascia Please Choose Blade Option 4" Airfoil 4" Airfoil 2" round 2" round 2"x2" squre 2"x2" squre 1"x3" rect. 1"x3" rect. 1" round 1" round 3" round 3" round 3"x3" squre 3"x3" squre 1"x4" rect. 1"x4" rect. 1-1/2" round 1-1/2" round 1"x1" squre 1"x1" squre 1"x2" rect. 1"x2" rect. 4" z blade 4" z blade