O("12 inch","http://roofvents.com/ABF-30-12.html"); } Aura Solar Bi-Fan 20 inch diameter, 4 inch collar, 50 Watt
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ABF-20-C4 Aura Solar Bi-Fan Specs

----------- D I M E N S I O N S -----------
ABF-20-C4 Aura Solar Fan
20" Diameter, 4" Collar, and Square Flange
Inside Dia.
(A)
Square Base (B)
Outside Dia.
(C)
Height of Head (D)
Collar Height (E)
Total Height (F)
Max. Pitch Capacity
Net Free Vent Area (in.)
Net Free Vent Area (feet)
Application
per sq. ft.
20
26
25
13
4
17
5/12
314
2.18
1,308

Fan Rating with Solar Power On
A/C Fan
Solar Module
Voltage
Motor Wattage
# of Fans
Total Fan Watts
Total
Solar Power CFM
Total
A/C Power CFM
50 W
12 V
4x2.16, 8x1.8
12
23.04
604
906

CFM Performance Testing using wind only
4 mph
5.2 mph
7.4 mph
9.8 mph
11 mph
436 cfm
462 cfm
685 cfm
771 cfm
881 cfm

ABF-20-C4
Price: $949.00
(Mill Finish)
Color (Painted add $26):
Allow an additional two weeks
for painted items.

Options:
A/C Switch:
Solar Panel Switch

50w Tandem Panel (+$375.00)
Curb Mount Flange (+$70.00)
Roof Curb (+$79.00)

SSL Cerficate

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