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White rectangular bathroom exhaust fan housing with 3-inch duct outlet visible

Bathroom Exhaust Fan 70 CFM 2.0 Sone 40 dB 3-Inch Duct

SKU CH-V9NJ-M3E7K

A quiet 70 CFM bathroom exhaust fan rated at 2.0 sones and 40 dB with a corrosion-resistant galvanised steel housing, UL listed for over tub and shower use.

  • Quiet operation at 40 dB for peaceful bathrooms
  • 70 CFM airflow clears moisture from small rooms
  • 0 sone rating confirms low-noise performance
  • Galvanised steel housing resists corrosion in damp areas
  • UL listed for safe installation over tub and shower

Quiet 70 CFM bathroom fan

This 70 CFM exhaust fan operates at 2.0 sones and approximately 40 decibels, making it suitable for bathrooms and other small rooms where low noise matters. The galvanized steel housing resists moisture in bathroom and attic spaces. UL listing covers installation over tub and shower with GFCI protection in moist areas. Quick-connect wiring and a 3-inch duct outlet simplify installation.

Airflow and duct limits

The unit delivers 70 cubic feet per minute through a 3-inch duct connection, which restricts total duct length and the number of elbows compared with larger outlets. At 2.0 sones the sound level is quiet for a standard residential bathroom but may be audible in adjacent rooms. UL listing for wet locations does not increase the airflow rating beyond the stated 70 CFM.

Pre-install checks

Verify that your ceiling or wall cavity can accept a fan with a 3-inch duct outlet and joist-mount holes. Confirm the existing ductwork matches the 3-inch diameter or plan for a reducer. Ensure a GFCI-protected circuit is available for the quick-connect wiring. The galvanized housing fits standard joist spacing but measure the opening before ordering.

Highlights

  • Quiet operation at 40 dB for peaceful bathrooms
  • 70 CFM airflow clears moisture from small rooms
  • 0 sone rating confirms low-noise performance
  • Galvanised steel housing resists corrosion in damp areas
  • UL listed for safe installation over tub and shower

Specifications

No published specifications for this item yet.

Questions about this item

Which capacity should I choose for a small bathroom?

The 70 CFM airflow rating suits typical small bathrooms and similar spaces where ventilation is necessary.

How loud is 2.0 sone in daily use?

At 2.0 sone the fan runs at roughly 40 decibels, a super-quiet level that blends into background household noise.

What does the 3-inch duct outlet limit in practice?

The 3-inch duct outlet is sized for standard residential vent runs and connects directly to matching ductwork for straightforward installation.

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