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Airmaster 20 inch blade fan accessory, stationary closed base design, neutral industrial finish

Airmaster Fan Company

Airmaster Fan Company 78970 20 in Blade Fan Accessory

SKU CH-NJJ5-Q897R

A 20 in blade stationary fan with three speeds delivering up to 3390 CFM at 115V AC

  • typeClosed Base
  • 20-inch blade moves up to 3390 CFM for strong airflow
  • Three-speed control lets you match cooling to the task
  • 1/5 HP shaded-pole motor runs at 1600 RPM with 1.9 amp draw
  • Direct-drive design eliminates belt maintenance and reduces noise to 71 dBA
  • Mounts on ceiling or wall with eight-foot cord for flexible placement

20 in Blade Fan Accessory

The Airmaster Fan Company 78970 is a stationary, non-oscillating mounted fan designed for light-duty industrial air circulation. It operates on 115V AC single-phase power and delivers three-speed airflow control for flexible use in commercial or workshop settings.

Direct Drive 1600 RPM Operation

The unit uses a direct-drive shaded-pole motor running at 1600 RPM with a maximum ambient temperature rating of 105 degrees F. Airflow ranges from 2295 CFM on low to 3390 CFM on high while drawing 1.9 amps at 250 watts on a 60 Hz supply.

3390 CFM High-Speed Capacity

At its highest setting the fan moves 3390 CFM with a sound level of 71 dBA, suitable for general ventilation in open areas. The 20 in blade diameter and fixed mounting style limit directional adjustment, so it does not suit applications requiring focused spot cooling or automated oscillation.

Highlights

  • 20-inch blade moves up to 3390 CFM for strong airflow
  • Three-speed control lets you match cooling to the task
  • 1/5 HP shaded-pole motor runs at 1600 RPM with 1.9 amp draw
  • Direct-drive design eliminates belt maintenance and reduces noise to 71 dBA
  • Mounts on ceiling or wall with eight-foot cord for flexible placement

Specifications

BrandAIRMASTER FAN
typeClosed Base

Questions about this item

Which mounting option suits a 20 in blade fan — ceiling or wall?

The fan supports both ceiling and wall mounting, so you can choose the location that best fits your space and airflow needs.

What does 3390 CFM high mean for actual air movement?

At high speed the unit moves 3390 cubic feet of air per minute, delivering strong circulation across a wide area.

What does the 115V AC 60 Hz rating limit in practice?

It requires a standard 115 V, 60 Hz household circuit and draws 1.9 amps at 250 watts, so it plugs into any ordinary outlet.

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