1pc 100mm 125mm 150mm 200mm Backdraft Damper, One-Way Airflow Vent Damper, Backflow Preventer Duct Damper
$8.79
$60.99
235sold
-85%
(226)
1pc White Retractable Air Conditioning Baffle
$6.48
$36.28
12sold
-82%
(1)
"Multi-Use" 2-Piece 6" To 4" Duct Adapter Set With 4 Stainless Steel Clamps - Pvc Reducer For Grow Tent Hvac Ventilation, Adjustable Worm Gear Enlarger/Reducer (150Mm To 100Mm)
$57.98
"Durable Pvc" 1Pc 6-To-4 Inch Duct Adapter - Pvc Reducer For Grow Tent Hvac Ventilation, Includes 2 Stainless Steel Clamps (Adjustable From 150 To 100Mm) - White
$21.24
1/2/3pcs Magnetic Air Vent Deflector, Adjust Between 8" To 14" Vent Cover, Floor Vent Covers For AC, And Ceiling Registers, Adjustable Fresh Air System For Air Conditioning, Brown
$14.98
$31.05
56sold
-51%
(3,433)
2/3/4pcs Magnetic Adjustable Air Vent Deflector For Vents/Sidewall/Ceiling Registers, Easy Adjust Between 9"-14", Vent Covers For Home Floor/Air Conditioning/Heat/AC/Under Furniture
$12.68
$25.84
194sold
-50%
(4,679)
1/2/3pcs Air Vent Deflector, Adjustable Magnetic Heat And AC Deflector For Vents, Sidewall, And Ceiling Registers
$9.78
$20.23
128sold
-51%
(2,003)
1/2/3pcs Strong Magnetic Air Vent Deflector, Adjust Between 9" To 15" Vent Cover, Floor Vent Covers, Vent Covers For Home Floor, Adjustable Fresh Air System For Air Conditioning, AC, And Ceiling Registers
$16.78
69sold
(2,003)
2-Piece 8" To 6" Duct Adapter & Reducer - Straight Connector For Heating, Cooling & Ventilation Fans - Ideal For Grow Tents, Bathrooms & Kitchens
$28.34
$47.98
1sold
-40%
(6)
1/2/3/4pcs Adjustable Ventilation Outlet Deflector, Ventilation Outlet Deflector, 10"-14" Magnetic Transparent Deflector, Suitable For Ceiling, Floor, Side Wall, Adjustable Magnetic Heat And Air Deflector
$9.48
$73.94
179sold
-87%
(2,939)
3" X 8Ft Flexible Insulated Duct With Aluminum Foil - Perfect For Hvac & Dryer Vent Systems, Includes 2 Clamps
$21.48
(11)
1/2pcs Strong Magnetic Air Vent Deflector, Adjust Between 8" To 14" Vent Cover, Floor Vent Covers, Vent Covers For Home Floor, Adjustable Fresh Air System For Air Conditioning, AC, And Ceiling Registers
$6.49
$12.48
2.6K+sold
-47%
(2,246)
"Dampair-Resistant" 8Ft Flexible Aluminum Air Duct, 4-Inch Hvac Ventilation Hose With Stainless Steel Clamps - Lead Color
$21.66
$69.99
-69%
(233)
3" X 16Ft Insulated Flexible Duct With Aluminum Foil - Ideal For Hvac & Dryer Vent Systems, Includes 2 Clamps
$25.91
$59.99
-56%
(11)
4" X 16Ft Insulated Flexible Duct With Aluminum Foil - Perfect For Hvac & Dryer Vent Systems, Includes 2 Clamps
$28.89
$34.99
-17%
(11)
2/3pcs Adjustable Magnetic Heat And Air Deflector For Vents, Sidewall, And Ceiling Registers
$12.98
$25.84
945sold
-49%
(1,437)
1/2/3pcs Strong Magnetic Air Vent Deflector, Adjust Between 8" To 14" Vent Cover, Floor Vent Covers For Home Floor, Adjustable Fresh Air System For Air Conditioning, AC And Ceiling Registers
$7.20
$17.99
2.9K+sold
-59%
(2,246)
MERV13 Filter Material, Electrostatic Ventilation Filter, Used For HVAC, Heated Intake Air Conditioning, And Grilles, Can Reduce PM2.5 Dust, Pet Hair (20 Sqft)
$12.75
$19.50
984sold
-34%
(101)
1/2pcs Strong Magnetic Air Vent Deflector, Adjust Between 8" To 14" Vent Cover, Floor Vent Covers, Vent Covers For Home Floor, Adjustable Fresh Air System For Air Conditioning, AC, And Ceiling Registers
$11.15
$14.48
226sold
-22%
(3,433)
1pc, Duct Reducer Extractor Fan Pipe Connector 80mm 100mm 110mm 120mm 130mm 140mm 150
$3.27
$19.69
55sold
-83%
(156)
"Eco-Friendly" 6" X 16Ft Insulated Flexible Duct With Aluminum Foil - Includes 2 Clamps, Black - Perfect For Hvac Ventilation & Dryer Systems
$31.01
(11)
6" X 8Ft Black Aluminum Foil Insulated Flexible Duct - Perfect For Dryer Vent, Hvac & Duct Fan Systems With 2 Clamps Included
$32.97
$291.60
-88%
(233)
6pcs 16X25X1 MERV 8 MERV 11 MERV 13 Pleated Air Filter AC Furnace Hvac Filter
$33.99
$50.98
137sold
-33%
(371)
2PCS R410A Mini Split Adapter, HAVC Hose Adapter With 5/16 Inches SAE Female To 1/4 Inches SAE Male Straight/ Angled Adapter
$3.19
$28.93
584sold
-88%
(8,534)
16Ft Flexible Aluminum Air Duct, 4-Inch Hvac Ventilation Hose With Stainless Steel Clamps - Silver Gray
$38.92
$101.80
-61%
(233)
1/2/9pcs Magnetic Air & Heat Vent Deflector, Adjust Between 9" To 15" Vent Cover, Floor Vent Covers, Vent Covers For Home Floor, Adjustable Fresh Air System For Air Conditioning, AC, Sidewalls And Ceiling Registers
$11.28
38sold
(276)
6pcs/set 20x20x1 Inch Air Filter MERV 8 MERV11 MERV13, Pleated HVAC AC Furnace Air Filters Replacement
$30.65
198sold
(371)
1/2/3pcs Magnetic Air & Heat Vent Deflector, Adjust Between 8" To 14.2" Vent Cover, Floor Vent Covers, Vent Covers For Home Floor, Adjustable Fresh Air System For Air Conditioning, AC, Sidewalls And Ceiling Registers, Transparent
$11.28
$17.99
21sold
-37%
(276)
VEVOR 5 Inch Insulated Flexible Duct R-6.0, 25 Feet Long with 2 Duct Clamps, Heavy-Duty Three Layer Protection Air Ducting Hose for HVAC Heating Cooling Ventilation and Exhaust Ductwork Insulation
$45.48
$198.89
-77%
(281)
MERV 8, 11, 13 Air Filter Set (6 Pcs) - Actual Size: 19.7"x19.7"x0.75" HVAC, AC Furnace Air Filters for Home Use
$34.94
$67.95
5sold
-48%
(6)
Set, R410A Adapter 5/16 Inches SAE Female To 1/4 Inches SAE Male Flare For Air Conditioners HVAC
$6.19
$21.99
30sold
-71%
(103)
A Set Of Copper Three-way Valve Leak Detection Valve With Sealing Cap For Air Conditioning And Refrigeration Equipment
$12.48
$14.90
49sold
-16%
(466)
(6-Pack) 14x14x1 Inch Air Filter Electrostatic Pleated Conditioner HVAC AC Furnace Filters MERV8 MERV11 MERV13 Air Conditioner Accessories
$29.55
$34.49
114sold
-14%
(428)
Air Conditioning Accessories Set, 1 Set 71pcs Yellow Jacket HVAC Hose Gasket, HVAC Hose Seals HVAC 71pcs Air Condition Repair Kit Repair Tool 10pcs Valve Cores 50pcs Hose Gaskets 10pcs Valves
$8.18
$29.30
78sold
-72%
(493)
Adjustable Air Conditioner Deflector Shield, Plastic AC Vent Diverter, Extendable 22-40.5inch Flow Guide, Condensation Protection, Energy Saving, No Electricity Needed
$11.69
$68.89
62sold
-83%
(90)
1pc 4/6 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting, For HVAC Ventilation W/Two 6 Inch, Stainless Steel Clamps
$7.48
$58.21
474sold
-87%
(384)
2/4pcs Magnetic Vent Covers - Reduce Noise & Keep Your Home Floor Fully Sealed - Perfect for RV, HVAC & AC Vents
$5.78
$22.99
1K+sold
-74%
(3,433)
Universal Adjustable Air Conditioning Deflector, Cooling/Heating Air Circulation Anti Direct Blowing Wind Deflector For Home Office Use
$7.48
$57.40
12sold
-86%
(4,543)
45PCS KIT R410A Straight Swivel Adapter, R410A Mini Split Adapter 1/4" SAE Male 5/16" SAE Female Quick Couplers Used For Mini Split System, HVAC Air Conditioners
$9.48
97sold
(103)
JUEMEL 2pcs Aluminum Foil Tape Aluminum Air Duct Tape (2"x65 Feet), Industrial Heavy-Duty Aluminum Foil Tape For Ductwork, Heat Insulation, HVAC, Dryer Vents, Wrap Pipe, Repair Ducting
$9.98
$52.81
30sold
-81%
(1,443)
2/4pcs Reinforced Magnetic Vent Cover, Fully Sealed, For Floor, Wall Or Ceiling Vents And Air Regulators, For RV Home HVAC And AC Vents, Reduces Noise, Sticks To Vents
$6.99
1.2K+sold
(3,433)
1/2/3pcs Magnetic Air & Heat Vent Deflector, Adjust Between 8" To 14" Vent Cover, Floor Vent Covers, Vent Covers For Home Floor, Adjustable Fresh Air System For Air Conditioning, AC, Sidewalls And Ceiling Registers
$11.48
$17.99
42sold
-36%
(276)
6-Pack 20x25x1 Inch Air Filter Electrostatic Pleated Conditioner HVAC AC Furnace Filters MERV8 MERV11 MERV13 , Air Conditioner Accessories
$47.69
$66.99
160sold
-28%
(428)
6-Pack of 10x20x1 MERV11/MERV13 Pleated Air Filters for AC Furnace HVAC Systems
$24.79
$45.48
57sold
-45%
(371)
6pcs Air Filters, 14X14X1 Inch MERV8 MERV11 MERV13 Pleated HVAC AC Furnace Air Filters Replacement
$28.46
$29.98
196sold
-5%
(371)
1Pc 4-Inch 25 Foot Non Insulated Flexible Aluminum Foil Duct Dryer Ventilation Hose With 2 Pipe Clamps For Hvac Ventilation
$25.91
$56.25
-53%
(3)
Magnetic Vent Cover Sheets for Air Vents and Registers, Energy-Saving Rubber Seal Strips with Strong Magnetic Grip, Uncharged, Multipack
$4.49
40sold
(7)
1/2/3pcs Strong Magnetic Air Vent Deflector, Adjust Between 8" To 14" Vent Cover, Floor Vent Covers, Vent Covers For Home Floor, Adjustable Fresh Air System For Air Conditioning, AC, And Ceiling Registers, Vents, Sidewall
$8.48
$17.49
445sold
-51%
(3,433)
"Airflow Enhancer" 1Pc 8-Inch 25 Foot Non Insulated Flexible Aluminum Foil Duct Dryer Ventilation Hose With 2 Pipe Clamps For Hvac Ventilation
$39.09
$101.80
-61%
(3)
High Density EVA Foam Insulation Tape Single Side Adhesive Rubber Strip, Seal, Door Insulation Foam Tape Weather Stripping, Waterproof, HVAC, Pipes, Foam Strips Air Conditioning For Workshop Use
$1.49
$14.36
36sold
-89%
(1,491)
1pc 6 Inch 8ft Vent Hose, Flexible Insulated Air Ducting, Four-Layer PVC Aluminum Foil With 2 Clamps For Heating Cooling Ventilation And Exhaust, Black
$10.18
$45.99
438sold
-77%
(1,089)
1pc Heat Insulated Air Conditioner Exhaust Pipe Cover - Protects Hose from Dust and Heat
$17.07
$70.45
258sold
-75%
(1,602)
1set, Filter Measurements, 16x20x1 Air Filter MERV13 (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (15.7x19.7 X 0.75 Inches)
$60.58
190sold
(371)
1pc 8ft PVC And Aluminum Foil Flexible Air Ducting Hose, 4 Inch Diameter With Steel-Wire Reinforcement And 2 Stainless Steel Clamps, Tear & Puncture Resistant For HVAC Ventilation, Fire Safety, White
$7.58
$45.99
10sold
-83%
(10,570)
PVC Flexible Duct Hose, HVAC Duct Hosing Flame Retardant for Ventilator Utility Blower Fan with Adjustable Rope and D-Ring, Easy Storage for Ventilation Fan, Pipeline
$58.47
$499.99
-88%
(36)
Register Booster Fan, Enhanced Airflow, Remote Controlled, Thermostat 10-Speed Control, Quiet Heating Cooling AC Vent, Aluminum Material
$37.13
$59.99
1.8K+sold
-38%
(102)
1 Pack, 4 Inch 25 Feet Flex Air Aluminum Ducting, Flexible Dryer Vent Hose For Hvac Ventilation With Two 4 Inch Stainless Steel Clamp
$42.91
(233)
2pcs AC R134A Adapter Fittings 1/4" 90° Adjustable AC Quick Couplers High Low AC Manifold Gauge Hose Conversion Kit For HVAC Air-Conditioning
$9.11
184sold
(8,534)
1pc Duct Tape, Heavy Duty, High Temperature Sealing And Patching, Perfect For HVAC, Air Ducts, Metal Repair, Foamboard, Insulation, Dryer Vent And More
$1.77
$16.09
7.2K+sold
-88%
(15,527)
Flexible Duct Hose 10m PVC Adjustable Ventilation Duct Hose with 2pcs Clamp for Fan
$47.57
$185.07
1sold
-74%
(32)
View more