VEVOR US EN
Select the country/region, language, and currency you prefer for shopping.
Delivery to
Your Address
Hello, Sign In
Account & Order
Categories
Deals Bulk Savings Best Sellers DIY Projects & Ideas Member Club
Download VEVOR App
Exclusive $5.00 off for your first three orders on the App.
Scan the QR code to download
Home Building & Construction Building Supplies Exhaust Fan

Search for "100 cfm blower fan"

Restaurant & Food Service
Building & Construction
Heating & Cooling
Electrical
Popular
VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings
VEVOR Bathroom Exhaust Fan, 110 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings
(30)
52.99
62.99
Deal after registering
Member discounted price
52.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings
VEVOR Bathroom Exhaust Fan, 8 LED Colors, 110 CFM Efficiency Ventilation, 1.5sones Low Noise All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, Need For Attic Access, For Various Ceilings
(30)
49.99
68.99
Deal after registering
Member discounted price
49.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR 25ft Ducting Hose, PVC Flexible Duct Hosing with S Hook & Steel Support for 8inch Utility Blower VEVOR 25ft Ducting Hose, PVC Flexible Duct Hosing with S Hook & Steel Support for 8inch Utility Blower VEVOR 25ft Ducting Hose, PVC Flexible Duct Hosing with S Hook & Steel Support for 8inch Utility Blower VEVOR 25ft Ducting Hose, PVC Flexible Duct Hosing with S Hook & Steel Support for 8inch Utility Blower VEVOR 25ft Ducting Hose, PVC Flexible Duct Hosing with S Hook & Steel Support for 8inch Utility Blower VEVOR 25ft Ducting Hose, PVC Flexible Duct Hosing with S Hook & Steel Support for 8inch Utility Blower VEVOR 25ft Ducting Hose, PVC Flexible Duct Hosing with S Hook & Steel Support for 8inch Utility Blower
VEVOR 25ft Ducting Hose, PVC Flexible Duct Hosing with S Hook & Steel Support for 8inch Utility Blower
(55)
28.99
34.99
Deal after registering
Member discounted price
28.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan
VEVOR 32ft Duct Hosing PVC Flexible Ducting Hose for 12inch Utility Blower Ventilation Fan Exhaust Fan
(55)
41.99
57.99
Deal after registering
Member discounted price
41.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR 25ft Ducting Hose PVC Flexible Duct Hosing for 12inch Utility Blower, w/Bag VEVOR 25ft Ducting Hose PVC Flexible Duct Hosing for 12inch Utility Blower, w/Bag VEVOR 25ft Ducting Hose PVC Flexible Duct Hosing for 12inch Utility Blower, w/Bag VEVOR 25ft Ducting Hose PVC Flexible Duct Hosing for 12inch Utility Blower, w/Bag VEVOR 25ft Ducting Hose PVC Flexible Duct Hosing for 12inch Utility Blower, w/Bag VEVOR 25ft Ducting Hose PVC Flexible Duct Hosing for 12inch Utility Blower, w/Bag VEVOR 25ft Ducting Hose PVC Flexible Duct Hosing for 12inch Utility Blower, w/Bag
VEVOR 25ft Ducting Hose PVC Flexible Duct Hosing for 12inch Utility Blower, w/Bag
(4)
54.99
60.99
Deal after registering
Member discounted price
54.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan
VEVOR Ducting Hose, 25ft PVC Flexible HVAC Duct Hosing for 10 Inch Utility Blower Exhaust Fan
(55)
37.99
37.99
Deal after registering
Member discounted price
Save 5% on 3 select item(s)
37.99
Save
Non-PRO Account
Save 5% on 3 select item(s)
In Stock.
Add to Cart
Add to Wish List
VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan
VEVOR 25ft Ducting Hose for 12 inch Ventilator Utility Blower Fan
(55)
39.99
49.99
Deal after registering
Member discounted price
39.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange
VEVOR 16 FT PVC Flexible Duct Hosing for 12 INCH Exhaust Fan, Orange
(55)
35.99
35.99
Deal after registering
Member discounted price
35.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof
4" to 4.5" Radon Mitigation Fan System Quiet 380 CFM Inline Duct Fan Waterproof
92.99
92.99
Deal after registering
Member discounted price
92.99
Save
Non-PRO Account
Out of Stock
Notify Me Registered
Add to Wish List
4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof 4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof
4" to 4.5" Radon Mitigation Fan System Quiet 260 CFM Inline Duct Fan Waterproof
82.99
82.99
Deal after registering
Member discounted price
82.99
Save
Non-PRO Account
Out of Stock
Notify Me Registered
Add to Wish List
VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings
VEVOR Bathroom Exhaust Fan, 80 CFM High-Efficiency Ventilation, 1.5sones Low Noise Operation All-Copper Motor, Energy-Saving Bathroom Ceiling Fan, No Need For Attic Access, For Various Ceilings
(30)
59.99
59.99
Deal after registering
Member discounted price
59.99
Save
Non-PRO Account
Out of Stock
Notify Me Registered
Add to Wish List
12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet 12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet
12'' Ventilation Extractor Exhaust Fan Blower Wall Mount Kitchen Bathroom Toilet
(82)
45.99
45.99
Deal after registering
Member discounted price
45.99
Save
Non-PRO Account
Out of Stock
Notify Me Registered
Add to Wish List
1 2
You May Also Like
Tips & Inspiration
Recommended Searches
filtered exhaust fan kitchen with exhaust fan exhaust fan kamar mandi removing bathroom exhaust fan solar car exhaust fan installing exhaust fan in bathroom replacing exhaust fan in bathroom ventless exhaust fan for bathroom ductless exhaust fan bathroom kitchen exhaust ceiling fan ceiling ventilation exhaust fan portable exhaust fan bathroom installing an exhaust fan in kitchen installing exhaust fan in kitchen adding exhaust fan to bathroom exhaust fan vent hood centrifugal fan exhaust kitchen window with exhaust fan portable exhaust fan for bathroom exhaust fan wall mounted