All
All
Appliances
Automotive
Bath
Building Materials
Cleaning
Doors & Windows
Electrical
Flooring
Furniture
Hardware
Health And Wellness
Heating, Venting & Cooling
Holiday Decorations
Home Decor
Industrial & Scientific
Kitchen
Lighting
Lumber & Composites
Musical Instruments
Other
Outdoors
Paint
Playground Sets
Plumbing
Safety Equipment
Smart Home
Sports & Outdoors
Storage & Organization
Tools
Window Treatments
Workwear
EN
Select the country/region, language, and currency you prefer for shopping.
Country Website
Language
Currency
Submit
Delivery to
Your Address
Hello, Sign in
Account & Order
Categories
Deals
New
Best Sellers
Clearance
Inspiration
Member Club
Download VEVOR App
Exclusive
5,00€
off for your first three orders on the App.
Scan the QR code to download
Home
Heating, Venting & Cooling
Search for "
extractor unit
"
Air Conditioners
Heaters
Fans
HVAC Supplies
Dehumidifiers
51 Results
Sort by:
Popular
Popular
Price from Low to High
Price from High to Low
Hot
New
Categories
Heating, Venting & Cooling
Air Conditioners
Heaters
Fans
HVAC Supplies
Dehumidifiers
Price Discounts
On Sale
Bulk Savings
Stars
5 stars only
4 stars and up
3 stars and up
2 stars and up
1 star and up
Price
Go
Under
30
30
~
50
50
~
100
100
~
200
200
~
500
500
&
Above
In Stock
Pickup
VEVOR Inline Duct Fan, 102mm 129.7 CFM with Variable Speed Controller, Quiet AC-motor Ventilation Exhaust Fan for Cooling Booster, Grow Tents, Hydroponics
(85)
56.99
56.99
Deal after registering
Member discounted price
0% cash back
at checkout.
56.99
Non-PRO Account
56.99
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Inline Duct Fan, 6-Inch 402 CFM with Temperature Humidity Controller, Quiet EC-motor Ventilation Exhaust Fan for Cooling Booster, Grow Tents, Hydroponics
(85)
78.9
94.99
Deal after registering
Member discounted price
0% cash back
at checkout.
78.9
Non-PRO Account
78.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Wall Fan, 57cm Waterproof Wall Fan, 3 Speeds, 4150 CFM, Commercial Residential Fan for Cooling Warehouse, Greenhouse, Workshop, Patio, Black
(18)
72.9
72.9
Deal after registering
Member discounted price
0% cash back
at checkout.
72.9
Non-PRO Account
72.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Inline Duct Fan, 152.4mm 323.7 CFM with Variable Speed Controller, Quiet AC-motor Ventilation Exhaust Fan for Cooling Booster, Grow Tents, Hydroponics
(85)
59.99
59.99
Deal after registering
Member discounted price
0% cash back
at checkout.
59.99
Non-PRO Account
59.99
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Inline Duct Fan, 203.2mm 506.2 CFM with Variable Speed Controller, Quiet AC-motor Ventilation Exhaust Fan for Cooling Booster, Grow Tents, Hydroponics
(85)
65.9
65.9
Deal after registering
Member discounted price
0% cash back
at checkout.
65.9
Non-PRO Account
65.9
Save
Non-PRO Account
In Stock.
Add to Cart
VEVOR Mist Fan, 29.5 inch Waterproof Industrial Fan, 3 Speeds, 9500 CFM, Commercial or Residential Fan for Cooling Warehouse, Greenhouse, Workshop
(18)
163.9
163.9
Deal after registering
Member discounted price
0% cash back
at checkout.
163.9
Non-PRO Account
163.9
Save
Non-PRO Account
Only 5 Left, order soon
Add to Cart
Quick look
VEVOR Floor Fan, 3 Speeds High Velocity Heavy Duty 18 Inch Industrial Fan, 4000 CFM 360° Adjustable Tilt 19.69 ft/sec Airflow Large Metal Fan, for Home, Gym, Office, Garage, Commercial Shop & Bedroom
(6)
47.9
54.99
Deal after registering
Member discounted price
0% cash back
at checkout.
47.9
Non-PRO Account
47.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR 25FT PVC Flexible Duct,PVC Flexible Duct Hosing Industrial Portable Ventilator Extractor Hose Heavy Duty for 10 Inch Exhaust Fan
(74)
37.99
37.99
Deal after registering
Member discounted price
0% cash back
at checkout.
37.99
Non-PRO Account
37.99
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Drum Fan, 24 Inch High Velocity Industrial Shop Fan, Heavy Duty Commercial Use Infinitely Variable Speed 7935CFM,360°Adjustable Tilting Industrial Floor Fan for Warehouse,Workshop,Factory
(5)
150.9
150.9
Deal after registering
Member discounted price
0% cash back
at checkout.
150.9
Non-PRO Account
150.9
Save
Non-PRO Account
In Stock.
Add to Cart
Clearance
Quick look
VEVOR Baseboard Heater Covers, Basic Series 1211 mm Standard Electric Heating Unit Front Cover for Home Improvement, Heavy-duty Steel, Easy Installation for Bedroom Replacing Old Cover, White
(1)
57.9
60.9
Deal after registering
Member discounted price
0% cash back
at checkout.
57.9
Non-PRO Account
57.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover for Outside Units, 810 x 810 mm Central AC Cover for Air Conditioning Unit, Top Universal Mesh Defender Tear-Resistant Easy Install for Outdoor Outside All Seasons, Black
(1)
16.9
16.9
Deal after registering
Member discounted price
0% cash back
at checkout.
16.9
Non-PRO Account
16.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Baseboard Heater Covers, Premium Series 1832 mm Standard Electric Heating Unit Front Cover for Home Improvement, Heavy-duty Steel, Easy Installation for Bedroom Replacing Old Cover, White
(1)
96.9
96.9
Deal after registering
Member discounted price
0% cash back
at checkout.
96.9
Non-PRO Account
96.9
Save
Non-PRO Account
Almost sold out
Add to Cart
Quick look
VEVOR Baseboard Heater Covers, Basic Series 1831 mm Standard Electric Heating Unit Front Cover for Home Improvement, Heavy-duty Steel, Easy Installation for Bedroom Replacing Old Cover, White
(1)
96.9
96.9
Deal after registering
Member discounted price
0% cash back
at checkout.
96.9
Non-PRO Account
96.9
Save
Non-PRO Account
Almost sold out
Add to Cart
Quick look
VEVOR 4 to 4.5 inch Radon Mitigation Fan System, Quiet 190 CFM Radon Mitigation Kit with 2 Couplers, Waterproof Radon Fan Electric Inline Duct Fan Exhaust Fan for Indoor Outdoor Ventilation
(9)
73.9
73.9
Deal after registering
Member discounted price
0% cash back
at checkout.
73.9
Non-PRO Account
73.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Baseboard Heater Covers, Premium Series 1222 mm Standard Electric Heating Unit Front Cover for Home Improvement, Heavy-duty Steel, Easy Installation for Bedroom Replacing Old Cover, White
(1)
60.9
60.9
Deal after registering
Member discounted price
0% cash back
at checkout.
60.9
Non-PRO Account
60.9
Save
Non-PRO Account
Only 4 Left, order soon
Add to Cart
Clearance
Quick look
VEVOR Baseboard Heater Covers, Premium Series 1527 mm Standard Electric Heating Unit Front Cover for Home Improvement, Heavy-duty Steel, Easy Installation for Bedroom Replacing Old Cover, White
(1)
67.9
70.9
Deal after registering
Member discounted price
0% cash back
at checkout.
67.9
Non-PRO Account
67.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 812 x 812 x 914 mm Ac Cover for Air Conditioning Unit, Dual-Layer, Detachable Canopy,Waterproof Polyester, Universal HVAC Protector for Outdoor Outside Ac Unit, Black
(1)
29.99
29.99
Deal after registering
Member discounted price
0% cash back
at checkout.
29.99
Non-PRO Account
29.99
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover for Outside Units, 710 x 710 mm Central AC Cover for Air Conditioning Unit, Top Universal Mesh Defender Tear-Resistant Easy Install for Outdoor Outside All Seasons, Black
(1)
16.9
16.9
Deal after registering
Member discounted price
0% cash back
at checkout.
16.9
Non-PRO Account
16.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover for Outside Units, 810 x 810 mm Central AC Cover for Air Conditioning Unit, Top Universal Mesh Defender Rainproof Easy Install for Outdoor Outside All Seasons, Black
(1)
16.9
16.9
Deal after registering
Member discounted price
0% cash back
at checkout.
16.9
Non-PRO Account
16.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 960 x 960 x 1010 mm Ac Cover for Air Conditioning Unit, Three-Layer, Waterproof Polyester Fabric, Mesh Ventilation, Universal Defender for Outdoor Outside Ac Unit, Black
(1)
21.9
21.9
Deal after registering
Member discounted price
0% cash back
at checkout.
21.9
Non-PRO Account
21.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover for Outside Units, 910 x 910 mm Central AC Cover for Air Conditioning Unit, Top Universal Mesh Defender Tear-Resistant Easy Install for Outdoor Outside All Seasons, Black
(1)
18.9
18.9
Deal after registering
Member discounted price
0% cash back
at checkout.
18.9
Non-PRO Account
18.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Baseboard Heater Covers, Basic Series 1526 mm Standard Electric Heating Unit Front Cover for Home Improvement, Heavy-duty Steel, Easy Installation for Bedroom Replacing Old Cover, White
(1)
66.9
66.9
Deal after registering
Member discounted price
0% cash back
at checkout.
66.9
Non-PRO Account
66.9
Save
Non-PRO Account
Only 4 Left, order soon
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 812 x 812 x 914 mm Ac Cover for Air Conditioning Unit, Three-Layer, Waterproof Polyester Fabric, Mesh Ventilation, Universal Defender for Outdoor Outside Ac Unit, Black
(1)
19.9
19.9
Deal after registering
Member discounted price
0% cash back
at checkout.
19.9
Non-PRO Account
19.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 762 x 762 x 810 mm Ac Cover for Air Conditioning Unit, Three-Layer, Waterproof Polyester Fabric, Mesh Ventilation, Universal Defender for Outdoor Outside Ac Unit, Black
(1)
19.9
19.9
Deal after registering
Member discounted price
0% cash back
at checkout.
19.9
Non-PRO Account
19.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 530 x 400 x 380 mm Ac Cover for Air Conditioning Unit, Double-Layer, Waterproof Polyester Fabric, Adjustable Shoulder Strap, Universal Size for Outdoor Outside
(1)
16.9
16.9
Deal after registering
Member discounted price
0% cash back
at checkout.
16.9
Non-PRO Account
16.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 863 x 812 x 762 mm Ac Cover for Air Conditioning Unit, Three-Layer, Waterproof Polyester Fabric, Mesh Ventilation, Universal Defender for Outdoor Outside Ac Unit, Black
(1)
20.99
20.99
Deal after registering
Member discounted price
0% cash back
at checkout.
20.99
Non-PRO Account
20.99
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 914 x 914 x 1010 mm Ac Cover for Air Conditioning Unit, Three-Layer, Waterproof Polyester Fabric, Mesh Ventilation, Universal Defender for Outdoor Outside Ac Unit, Black
(1)
20.9
20.9
Deal after registering
Member discounted price
0% cash back
at checkout.
20.9
Non-PRO Account
20.9
Save
Non-PRO Account
In Stock.
Add to Cart
New
Quick look
VEVOR Portable Air Conditioner, 7000 BTU 2kW 3-in-1 Standing Cooling Ac Unit, LED Touch Panel & Remote Control, 24h Timer, Cooling/Dehumidifier/Fan Mode for Room Indoor, White, Energy Efficiency: A
242.99
242.99
Deal after registering
Member discounted price
0% cash back
at checkout.
242.99
Non-PRO Account
242.99
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 711 x 711 x 812 mm Ac Cover for Air Conditioning Unit, Dual-Layer, Detachable Canopy,Waterproof Polyester, Universal HVAC Protector for Outdoor Outside Ac Unit, Black
(1)
24.9
24.9
Deal after registering
Member discounted price
0% cash back
at checkout.
24.9
Non-PRO Account
24.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Portable Air Conditioner, 5000 BTU 3-Speed Air Conditioning Unit with 24H Timer, Air Portable AC Adjustable from 16-32℃, Compatible with AC/DC for Outdoor Tent Camping, RVs or Home Use, Grey
(2)
815.9
832.99
Deal after registering
Member discounted price
0% cash back
at checkout.
815.9
Non-PRO Account
815.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 610 x 610 x 762 mm Ac Cover for Air Conditioning Unit, Three-Layer, Waterproof Polyester Fabric, Mesh Ventilation, Universal Defender for Outdoor Outside Ac Unit, Black
(1)
16.9
16.9
Deal after registering
Member discounted price
0% cash back
at checkout.
16.9
Non-PRO Account
16.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 914 x 914 x 1010 mm Ac Cover for Air Conditioning Unit, Dual-Layer, Detachable Canopy,Waterproof Polyester, Universal HVAC Protector for Outdoor Outside Ac Unit, Black
(1)
32.9
32.9
Deal after registering
Member discounted price
0% cash back
at checkout.
32.9
Non-PRO Account
32.9
Save
Non-PRO Account
In Stock.
Add to Cart
New
Quick look
VEVOR Portable Air Conditioner, 9000 BTU 2.6kW 3-in-1 Standing Cooling Ac Unit, LED Touch Panel & Remote Control, 24h Timer, Cooling/Dehumidifier/Fan Mode for Room Indoor, White, Energy Efficiency: A
276.99
276.99
Deal after registering
Member discounted price
0% cash back
at checkout.
276.99
Non-PRO Account
276.99
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover for Outside Units, 910 x 910 mm Central AC Cover for Air Conditioning Unit, Top Universal Mesh Defender Rainproof Easy Install for Outdoor Outside All Seasons, Black
(1)
17.9
17.9
Deal after registering
Member discounted price
0% cash back
at checkout.
17.9
Non-PRO Account
17.9
Save
Non-PRO Account
Almost sold out
Add to Cart
Quick look
VEVOR Baseboard Heater Covers, Premium Series 917 mm Standard Electric Heating Unit Front Cover for Home Improvement, Heavy-duty Steel, Easy Installation for Bedroom Replacing Old Cover, White
(1)
35.99
35.99
Deal after registering
Member discounted price
0% cash back
at checkout.
35.99
Non-PRO Account
35.99
Save
Non-PRO Account
Almost sold out
Add to Cart
Quick look
VEVOR Baseboard Heater Covers, Basic Series 916 mm Standard Electric Heating Unit Front Cover for Home Improvement, Heavy-duty Steel, Easy Installation for Bedroom Replacing Old Cover, White
(1)
34.9
34.9
Deal after registering
Member discounted price
0% cash back
at checkout.
34.9
Non-PRO Account
34.9
Save
Non-PRO Account
Almost sold out
Add to Cart
Quick look
VEVOR Air Conditioner Cover, 660 x 660 x 812 mm Ac Cover for Air Conditioning Unit, Three-Layer, Waterproof Polyester Fabric, Mesh Ventilation, Universal Defender for Outdoor Outside Ac Unit, Black
(1)
17.9
17.9
Deal after registering
Member discounted price
0% cash back
at checkout.
17.9
Non-PRO Account
17.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR Air Conditioner Cover for Outside Units, 710 x 710 mm Central AC Cover for Air Conditioning Unit, Top Universal Mesh Defender Rainproof Easy Install for Outdoor Outside All Seasons, Black
(1)
16.9
16.9
Deal after registering
Member discounted price
0% cash back
at checkout.
16.9
Non-PRO Account
16.9
Save
Non-PRO Account
In Stock.
Add to Cart
Quick look
VEVOR 145 mm External Extractor Wall Vent Cover, Square AC Vent Gable Cover, Premium Stainless Steel & with Built-in a Protection Screen, for House,Bathroom,Garage,Kitchen,Basement (1 Pack, Silver)
(1)
22.9
24.99
Deal after registering
Member discounted price
0% cash back
at checkout.
22.9
Non-PRO Account
22.9
Save
Non-PRO Account
Out of Stock
Notify Me
Registered
Quick look
VEVOR 97mm External Extractor Wall Vent Cover, Square AC Vent Gable Cover, Premium Stainless Steel & with Built-in a Protection Screen, for House,Bathroom,Garage,Kitchen,Basement (1 Pack, Silver)
(1)
22.9
19.99
Deal after registering
Member discounted price
0% cash back
at checkout.
22.9
Non-PRO Account
22.9
Save
Non-PRO Account
Out of Stock
Notify Me
Registered
Quick look
VEVOR Portable Air Conditioner, 4250 BTU 3-Speed Air Conditioning Unit with 24H Timer, Air Portable AC Adjustable from 16-32℃, Compatible with AC/DC, for Outdoor Tent Camping, RVs or Home Use, White
(2)
389.99
389.99
Deal after registering
Member discounted price
0% cash back
at checkout.
389.99
Non-PRO Account
389.99
Save
Non-PRO Account
Out of Stock
View Details
Quick look
VEVOR Portable Air Conditioner, 4250 BTU 3-Speed Air Conditioning Unit with 24H Timer, Remote-Control Air Portable AC Adjustable Temperature 16-32℃, for Outdoor Tent Camping, RVs or Home Use, White
(2)
254.9
226.99
Deal after registering
Member discounted price
0% cash back
at checkout.
254.9
Non-PRO Account
254.9
Save
Non-PRO Account
Out of Stock
View Details
Quick look
VEVOR 1.5m Commercial Indoor Air Curtain Super Power 2 Speeds 3566m³/h, UL Certified Wall Mounted Air Curtains for Doors, Indoor Over Door Fan with Heavy Duty Limit Switch, Easy-Install Unheated
(1)
259.9
255.99
Deal after registering
Member discounted price
0% cash back
at checkout.
259.9
Non-PRO Account
259.9
Save
Non-PRO Account
Out of Stock
View Details
Quick look
VEVOR 4 to 4.5 inch Radon Mitigation Fan System, Quiet 380 CFM Radon Mitigation Kit with 2 Couplers, Waterproof Radon Fan Electric Inline Duct Fan Exhaust Fan for Indoor Outdoor Ventilation
(9)
89.9
102.99
Deal after registering
Member discounted price
0% cash back
at checkout.
89.9
Non-PRO Account
89.9
Save
Non-PRO Account
Out of Stock
View Details
Quick look
VEVOR Floor Fan, 3 Speeds High Velocity Heavy Duty 14 Inch Industrial Fan, 2520 CFM 360° Adjustable Tilt 23.62 ft/sec Airflow Large Metal Fan, for Home, Gym, Office, Garage, Commercial Shop & Bedroom
(6)
89.99
89.99
Deal after registering
Member discounted price
0% cash back
at checkout.
89.99
Non-PRO Account
89.99
Save
Non-PRO Account
Out of Stock
Notify Me
Registered
Quick look
VEVOR Tower Fan, 22 ft/s Velocity Quiet Floor Fan, 70° Oscillating Fans for Indoors with 3 Speeds, 4 Modes, 12H Timer, Portable Standing Bladeless Fan with Remote Control for Bedroom, Office, Home
(3)
67.99
67.99
Deal after registering
Member discounted price
0% cash back
at checkout.
67.99
Non-PRO Account
67.99
Save
Non-PRO Account
Out of Stock
Notify Me
Registered
Quick look
VEVOR 1.1m Commercial Indoor Air Curtain Super Power 2 Speeds 2292m³/h, UL Certified Wall Mounted Air Curtains for Doors, Indoor Over Door Fan with Heavy Duty Limit Switch, Easy-Install Unheated
(1)
186.9
193.99
Deal after registering
Member discounted price
0% cash back
at checkout.
186.9
Non-PRO Account
186.9
Save
Non-PRO Account
Out of Stock
View Details
Quick look
VEVOR 1.2m Commercial Indoor Air Curtain Super Power 2 Speeds 2038m³/h, UL Certified Wall Mounted Air Curtains for Doors, Indoor Over Door Fan with Heavy Duty Limit Switch, Easy-Install Unheated
(1)
235.9
246.99
Deal after registering
Member discounted price
0% cash back
at checkout.
235.9
Non-PRO Account
235.9
Save
Non-PRO Account
Out of Stock
View Details
Quick look
VEVOR 50 Pints Commercial Dehumidifier with Drain Hose, Portable Crawl Space Dehumidifiers for Basement Storage Room Industrial Grade, Auto Defrost/Drainage, Heavy-duty Galvanized Steel, LED Indicate
(2)
687.9
441.99
Deal after registering
Member discounted price
0% cash back
at checkout.
687.9
Non-PRO Account
687.9
Save
Non-PRO Account
Out of Stock
View Details
Quick look
VEVOR 0.9m Commercial Indoor Air Curtain Super Power 2 Speeds 1528m³/h, UL Certified Wall Mounted Air Curtains for Doors, Indoor Over Door Fan with Heavy Duty Limit Switch, Easy-Install Unheated
(1)
171.9
190.99
Deal after registering
Member discounted price
0% cash back
at checkout.
171.9
Non-PRO Account
171.9
Save
Non-PRO Account
Out of Stock
View Details
Quick look
VEVOR 4 to 4.5 inch Radon Mitigation Fan System, Quiet 260 CFM Radon Mitigation Kit with 2 Couplers, Waterproof Radon Fan Electric Inline Duct Fan Exhaust Fan for Indoor Outdoor Ventilation
(9)
79.9
89.99
Deal after registering
Member discounted price
0% cash back
at checkout.
79.9
Non-PRO Account
79.9
Save
Non-PRO Account
Out of Stock
View Details
VEVOR Inline Duct Fan, 6-Inch 402 CFM with Temperature Humidity Controller, Quiet EC-motor Ventilation Exhaust Fan for Cooling Booster, Grow Tents, Hydroponics
(85)
78.9
0% cash back
at checkout.
78.9
78.9
94.99
PRO Savings:
In Stock.
Add to Cart
1
You May Also Like
Today's Deals For You
Recently Viewed
Recommended Searches
heating and
heating & air
roth's heating and cooling
heating and cooling near me
air pros heating and cooling
heating and cooling companies
precise heating and air
randazzo's heating and cooling
bill's heating and cooling
heating and cooling services
bob's heating and cooling
air tech heating and cooling
air heating and cooling
heating and air service
smiley heating and cooling
heating and air services
thompson's heating and cooling
russell heating and cooling
affordable heating and air
anthony's heating and cooling