Part # Size Drive HP Volt PH AMP RPM Watts Used CFM 0" SP CFM/Watt 0" SP CFM .05" SP CFM/Watt .05" SP CFM .10" SP CFM/Watt .10" SP CFM .15" SP CFM/Watt .15" SP CFM .20" SP CFM/Watt .20" SP Shutter Without Cone FRP12115230 12" DD 1/10 115/230 1 1.0 1725 100 1,350 11 1,283 10.45 1,218 9.93 1,157 9.43 1,100 8.96 Plastic FRP12115230AS 12" DD 1/10 115/230 1 1.0 1725 100 1,350 11 1,283 10.45 1,218 9.93 1,157 9.43 1,100 8.96 Alum FRP18115230 18" DD 1/3 115/230 1 3.5/1.7 1725 275 4,000 13 3,800 12.35 3,610 11.73 3,430 11.15 3,258 10.59 Plastic FRP18115230AS 18" DD 1/3 115/230 1 3.5/1.7 1725 275 4,000 13 3,800 12.35 3,610 11.73 3,430 11.15 3,258 10.59 Alum FRP24115230 24" DD 1/2 115/230 1 4.8/2.4 1725 450 6,400 15 6,080 14.25 5,776 13.54 5,487 12.86 5,213 12.22 Plastic FRP24115230AS 24" DD 1/2 115/230 1 4.8/2.4 1725 450 6,400 15 6,080 14.25 5,776 13.54 5,487 12.86 5,213 12.22 Alum FRP36115230 36" DD 1/2 115/230 1 6.0/3.0 825 625 11,000 19 10,450 18.05 9,928 17.15 9,431 16.29 8,960 15.48 Plastic FRP36115230AS 36" DD 1/2 115/230 1 6.0/3.0 825 625 11,000 19 10,450 18.05 9,928 17.15 9,431 16.29 8,960 15.48 Alum FRP36230460 36" DD 1/2 230/460 3 1.8/0.9 850 625 11,000 19 10,450 18.05 9,928 17.15 9,431 16.29 8,960 15.48 Plastic FRP36230460AS 36" DD 1/2 230/460 3 1.8/0.9 850 625 11,000 19 10,450 18.05 9,928 17.15 9,431 16.29 8,960 15.48 Alum With Cone FRP24115230C 24" DD 1/2 115/230 1 4.8/2.4 1725 450 7,000 17 6,650 16.15 6,318 15.34 6,002 14.58 5,702 13.85 Plastic FRP24115230CAS 24" DD 1/2 115/230 1 4.8/2.4 1725 450 7,000 17 6,650 16.15 6,318 15.34 6,002 14.58 5,702 13.85 Alum FRP36115230C 36" DD 1/2 115/230 1 6.0/3.0 825 625 12,300 22 11,685 20.90 11,101 19.86 10,546 18.86 10,018 17.92 Plastic FRP36115230CAS 36" DD 1/2 115/230 1 6.0/3.0 825 625 12,300 22 11,685 20.90 11,101 19.86 10,546 18.86 10,018 17.92 Alum FRP36230460C 36" DD 1/2 230/460 3 1.8/0.9 850 625 12,300 22 11,685 20.90 11,101 19.86 10,546 18.86 10,018 17.92 Plastic FRP36230460CAS 36" DD 1/2 230/460 3 1.8/0.9 850 625 12,300 22 11,685 20.90 11,101 19.86 10,546 18.86 10,018 17.92 Alum FRP52230C 52" BD 1 230 1 5 600 1200 27,500 25 26,125 23.75 24,819 22.56 23,081 20.98 21,466 19.51 Plastic FRP52230CAS 52" BD 1 230 1 5 600 1200 27,500 25 26,125 23.75 24,819 22.56 23,081 20.98 21,466 19.51 Alum FRP52230460C 52" BD 1 230/460 3 3.23/1.62 600 1200 27,500 25 26,125 23.75 24,819 22.56 23,081 20.98 21,466 19.51 Plastic FRP52230460CAS 52" BD 1 230/460 3 3.23/1.62 600 1200 27,500 25 26,125 23.75 24,819 22.56 23,081 20.98 21,466 19.51 Alum FRP522302C 52" BD 2 230 1 8 690 1600 34,950 24 33,203 22.80 31,542 21.66 29,334 20.14 27,281 18.73 Plastic FRP522302CAS 52" BD 2 230 1 8 690 1600 34,950 24 33,203 22.80 31,542 21.66 29,334 20.14 27,281 18.73 Alum FRP522304602C 52" BD 2 230/460 3 6.64/3.24 690 1600 34,950 24 33,203 22.80 31,542 21.66 29,334 20.14 27,281 18.73 Plastic FRP522304602CAS 52" BD 2 230/460 3 6.64/3.24 690 1600 34,950 24 33,203 22.80 31,542 21.66 29,334 20.14 27,281 18.73 Alum FRP72323460 72" BD 3 230/460 3 8.2/4.1 322 2200 65,000 30 57,000 26.00 50,000 23.00 44,000 20.00 39,000 18.00 Plastic FRP721230 72" BD 3 230 1 19 322 2200 65,000 30 57,000 26.00 50,000 23.00 44,000 20.00 39,000 18.00 Plastic