DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Sound Levels
Measured in decibels (dB), volume ratings indicate how much noise equipment makes. Some common volume levels include a whisper @ 20 dB, a refrigerator @ 40 dB, a conversation @ 60 dB, and a light machine shop @ 90 dB. OSHA recommends hearing protection for exposure to 80 dB and greater.
About Exhaust Fans
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Exterior-Wall-Mount Lavatory Exhaust Fans
180 And 270 Cfm Airflow
470 Cfm Airflow
Exhaust air and humidity directly into the outdoors without using duct. These fans cannot be sold to the regions listed due to local energy efficiency requirements.
For technical drawings and 3-D models, click on a part number.
Guard | For Opening | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Airflow, cfm | Volume, dB | Lg. | Wd. | Ht. | Wd. | For Wall Thick. | Housing Material | Mount. Fasteners Included | Mount. Hole Dia. | Features | Specifications Met | Cannot Be Sold To | Each | |
120V AC, Single Phase—Hardwire | ||||||||||||||
| 180 | 57 | 11 1/2" | 11 1/2" | 14 1/4" | 14 1/4" | 4 1/2"-9 1/2" | Steel | No | 3/16" | Backdraft-Preventing Damper | UL Listed | CO, VT, WA | 000000 | 0000000 |
| 270 | 56 | 13 1/2" | 13 1/2" | 14 1/4" | 14 1/4" | 4 1/2"-9 1/2" | Steel | No | 3/16" | Backdraft-Preventing Damper | UL Listed | CO, VT, WA | 0000000 | 000000 |
| 470 | 60 | 13 1/2" | 13 1/2" | 14 1/4" | 14 1/4" | 4 1/2"-9 1/2" | Steel | No | 3/16" | __ | UL Listed | CO, VT, WA | 000000 | 000000 |
Interior-Wall-Mount Lavatory Exhaust Fans
Also known as a room-to-room exhaust fan, this fan exhausts air and humidity directly into another room without using duct.
For technical drawings and 3-D models, click on a part number.
Guard | For Opening | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Airflow, cfm | Volume, dB | Lg. | Wd. | Ht. | Wd. | For Wall Thick. | No. of Speeds | Control Type | Housing Material | Features | Specifications Met | Each | |
120V AC, Single Phase—Hardwire | |||||||||||||
| 250 | 30 | 11" | 13 3/4" | 10 1/4" | 12 3/4" | 3 3/4"-5" | Variable | Knob | Steel | Adjustable Mounting Sleeve | UL Listed | 0000000 | 0000000 |