SD Exhaust Fan w/ Shutters 1 Speed 20 inch 3420 CFM Direct Drive S20-F1
The product Build Time you see represented on this site is only a typical number of days the manufacturer states it needs to build the product(s) when ordered. Build times are based on business days (excludes weekends & holidays).
The build time does not include the time it will take to ship the order to the you (the customer). If an order has multiple items and comes from multiple warehouses, you may receive part of your order on one day, and then receive the remaining part(s) of your order at a later date.
*Please be aware that seasonal demand of certain equipment may cause build times to run longer than what is typical.
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Canarm / LFI’s standard fans follow a tradition of quality in design, materials and construction. All our standard fans are developed to be efficient and economically priced. Fans are available in single, two and variable speed models. All variable speed standard fans use an energy efficient variable speed, dual voltage motor and blade combination.
To determine the proper Canarm/LFI fan for your applications, use the following formula.
Number of cubic feet in room / Number of minutes per air change = Required C.F.M. Capacity
*INSIDE WALL INSTALLATIONFeatures:
Available in 8” to 42” sizes.
Single, two and variable speed models are available.
All fans use a totally enclosed, thermally protected motor.
The rugged steel welded box housing has a durable powder coated finish.
Aluminum louver shutters are supported by long life nylon bushings
(30”, 36” & 42” have PVC louvers).
8” - 24” models have heavy wire chrome plated OSHA guards on intake side of fan.
30”, 36” & 42” models have grey powder coated guards.
All fans are shipped completely assembled.
*NOTE: The motor Full Load Amperage ratings are meant to be used as a General guideline only. The ratings are from the primary motor supplier. These amperage ratings may vary slightly if a different motor supplier is used. It is also possible that a motor manufacture may modify / improve / update a motor in which the amperage rating will change slightly.
A = 25 1/4"
B = 16"
C = 6"
D (Center to Center) = 24"
E = 22 3/4"
N = 5 Louvers
- Model No.:
- Exhaust Fans
- Blade Material:
- Heavy-Gauge Aluminum
- Blade Size (Inches):
- No. of Blades:
- CFM Low:
- CFM High:
- Dimension Inches:
- Width: 25 1/4" Depth: 6" Height: 25 1/4"
- Drive Type:
- Limited Warranty:
- 1 Year Limited
- Motor Type:
- RPM High:
- Weight lbs.:
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