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| Best Seller  | 2Pcs 8" Square Duct Connector Flange Exhaust Hose Flange Ventilation Duct Blue Outer Diameter of Interface: 195 mm / 7.7 inch; Overall Dimensions: 235 x 235 x 90 mm / 9.3 x 9.3 x 3.5 inch (L*W*H); Diagonal Mounting Hole Distance: 222 mm / 8.7 inch; Adjacent Mounting Holes Distance: 101 mm / 4 inch; Color: Blue; Material: ABS… ... more | $33.99 $25.49 FREE shipping go to store |
 | 2Pcs 4 Inch Square Duct Connector Flange Air Ventilation Duct with Valve Black Outer Diameter of Interface: 95 mm / 3.7 inch; Overall Dimensions: 148 x 148 x 70 mm / 5.8 x 5.8 x 2.8 inch (L*W*H); Diagonal Mounting Hole Distance: 155 mm / 6.1 inch; Adjacent Mounting Holes Distance: 110 mm / 4.3 inch; Color: Black; Material: ABS… ... more | $20.49 $15.37 FREE shipping go to store |
| Best Seller  | 4 Inch Square Duct Connector Flange Air Ventilation Duct with Valve Black Outer Diameter of Interface: 95 mm / 3.7 inch; Overall Dimensions: 148 x 148 x 70 mm / 5.8 x 5.8 x 2.8 inch (L*W*H); Diagonal Mounting Hole Distance: 155 mm / 6.1 inch; Adjacent Mounting Holes Distance: 110 mm / 4.3 inch; Color: Black; Material: ABS… ... more | $14.99 $11.24 FREE shipping go to store |
 | 2Pcs 8" Square Duct Connector Flange Exhaust Hose Flange Ventilation Duct Red Outer Diameter of Interface: 195 mm / 7.7 inch; Overall Dimensions: 235 x 235 x 90 mm / 9.3 x 9.3 x 3.5 inch (L*W*H); Diagonal Mounting Hole Distance: 222 mm / 8.7 inch; Adjacent Mounting Holes Distance: 101 mm / 4 inch; Color: Red; Material: ABS Plastic… ... more | FREE shipping go to store |
 | 2Pcs 6" Square Duct Connector Flange Exhaust Hose Flange Ventilation Duct Red Outer Diameter of Interface: 145 mm / 5.7 inch; Overall Dimensions: 180 x 180 x 75 mm / 7.1 x 7.1 x 3 inch (L*W*H); Diagonal Mounting Hole Distance: 168 mm / 6.6 inch; Adjacent Mounting Holes Distance: 80 mm / 3.1 inch; Color: Red; Material: ABS Plastic;… ... more | FREE shipping go to store |
 | 8 Inch Square Duct Connector Flange Air Ventilation Duct with Valve Black Outer Diameter of Interface: 195 mm / 7.7 inch; Overall Dimensions: 235 x 235 x 90 mm / 9.3 x 9.3 x 3.5 inch (L*W*H); Diagonal Mounting Hole Distance: 222 mm / 8.7 inch; Adjacent Mounting Holes Distance: 101 mm / 4 inch; Color: Black; Material: ABS… ... more | $25.99 $20.79 FREE shipping go to store |
 | 3pcs 4" Duct Connector Flange Exhaust Hose Flange ABS Square Duct Ventilation - Black The duct connector flange is mainly used to connect duct hose to a output port through a bolted connection. Widely used on the home, kitchen, bathroom, garage, and office. Suitable for these area which need a ventilation system. ... more | FREE shipping go to store |
 | 6" Square Duct Connector Flange Exhaust Hose Flange Ventilation Duct Blue Outer Diameter of Interface: 145 mm / 5.7 inch; Overall Dimensions: 180 x 180 x 75 mm / 7.1 x 7.1 x 3 inch (L*W*H); Diagonal Mounting Hole Distance: 170 mm / 6.7 inch; Adjacent Mounting Holes Distance: 80 mm / 3.1 inch; Color: Blue; Material: ABS Plastic… ... more | FREE shipping go to store |
 | 8" Square Duct Connector Flange Exhaust Hose Flange Ventilation Duct Blue Outer Diameter of Interface: 195 mm / 7.7 inch; Overall Dimensions: 235 x 235 x 90 mm / 9.3 x 9.3 x 3.5 inch (L*W*H); Diagonal Mounting Hole Distance: 222 mm / 8.7 inch; Adjacent Mounting Holes Distance: 101 mm / 4 inch; Color: Blue; Material: ABS… ... more | FREE shipping go to store |
 | 2Pcs Duct Connector Flange, Metal Square to Round Interface Air Duct - Grey Duct flanges are widely used for air ventilation systems in home, kitchen, bathroom, garage and factory etc. Specification Color: Grey Material: Galvanized Iron Packing List: 2 x Duct Connector Advantages 1. ... more | $37.99 $32.29 FREE shipping go to store |
 | 2Pcs Duct Connector Flange, Metal Square to Round Interface Air Duct - Grey Duct flanges are widely used for air ventilation systems in home, kitchen, bathroom, garage and factory etc. Specification Color: Grey Material: Galvanized Iron Packing List: 2 x Duct Connector Advantages 1. ... more | $24.49 $19.59 FREE shipping go to store |
 | 8" Square Duct Connector Flange Exhaust Hose Flange Ventilation Duct Red Outer Diameter of Interface: 195 mm / 7.7 inch; Overall Dimensions: 235 x 235 x 90 mm / 9.3 x 9.3 x 3.5 inch (L*W*H); Diagonal Mounting Hole Distance: 222 mm / 8.7 inch; Adjacent Mounting Holes Distance: 101 mm / 4 inch; Color: Red; Material: ABS Plastic… ... more | FREE shipping go to store |
 | 6" Square Duct Connector Flange Exhaust Hose Flange Ventilation Duct Red Outer Diameter of Interface: 145 mm / 5.7 inch; Overall Dimensions: 180 x 180 x 75 mm / 7.1 x 7.1 x 3 inch (L*W*H); Diagonal Mounting Hole Distance: 168 mm / 6.6 inch; Adjacent Mounting Holes Distance: 80 mm / 3.1 inch; Color: Red; Material: ABS Plastic;… ... more | FREE shipping go to store |
 | 3pcs 4" Duct Connector Flange Exhaust Hose Flange ABS Round Duct Ventilation - Black Material: ABS Plastic; Outer Diameter: 96mm / 3.8inch; Total Size:136mmx50mm / 5.35inchx1.97inch(D*L); Screw Mounting Hole: 4.5mm / 0.18inch; Diagonal Mounting Hole Distance: 105mm / 4.13inch; Mounting Hole Distance: 105mm / 4.13inch; Packing List: 3 x… ... more | FREE shipping go to store |
 | 4pcs 4" Duct Connector Flange Exhaust Hose Flange ABS Round Duct Ventilation - Black Material: ABS Plastic; Outer Diameter: 96mm / 3.8inch; Total Size:140mmx60mm / 5.51inchx2.36inch(D*L); Screw Mounting Hole: 4.5mm / 0.18inch; Diagonal Mounting Hole Distance: 126mm / 4.96inch; Mounting Hole Distance: 90mm / 3.54inch; Packing List: 4 x… ... more | FREE shipping go to store |
 | 1pcs 8" Duct Connector Flange Exhaust Hose Flange ABS Round Duct Ventilation - Black Material: ABS Plastic; Outer Diameter: 190mm / 7.48inch; Total Size:230mmx72mm / 9.06inchx2.84inch(D*L); Screw Mounting Hole: 4.5mm / 0.18inch; Diagonal Mounting Hole Distance: 215mm / 8.46inch; Mounting Hole Distance: 106mm / 4.17inch; Packing List: 1 x… ... more | FREE shipping go to store |
 | 4pcs 3" Duct Connector Flange Exhaust Hose Flange ABS Round Duct Ventilation - Black Material: ABS Plastic; Outer Diameter: 75mm / 3inch; Total Size:100mmx48mm / 3.93inchx1.9inch(D*L); Screw Mounting Hole: 4.5mm / 0.18inch; Diagonal Mounting Hole Distance: 76mm / 3inch; Mounting Hole Distance: 76mm / 3inch; Packing List: 4 x Duct… ... more | FREE shipping go to store |
 | 2Pcs 8 Inch Square Duct Connector Flange Air Ventilation Duct with Valve Black Outer Diameter of Interface: 195 mm / 7.7 inch; Overall Dimensions: 235 x 235 x 90 mm / 9.3 x 9.3 x 3.5 inch (L*W*H); Diagonal Mounting Hole Distance: 222 mm / 8.7 inch; Adjacent Mounting Holes Distance: 101 mm / 4 inch; Color: Black; Material: ABS… ... more | FREE shipping go to store |
 | 2Pcs 6 Inch Square Duct Connector Flange Air Ventilation Duct with Valve Black Outer Diameter of Interface: 145 mm / 5.7 inch; Overall Dimensions: 180 x 180 x 75 mm / 7.1 x 7.1 x 3 inch (L*W*H); Diagonal Mounting Hole Distance: 170 mm / 6.7 inch; Adjacent Mounting Holes Distance: 80 mm / 3.1 inch; Color: Black; Material: ABS… ... more | FREE shipping go to store |
 | 6 Inch Square Duct Connector Flange Air Ventilation Duct with Valve Black Outer Diameter of Interface: 145 mm / 5.7 inch; Overall Dimensions: 180 x 180 x 75 mm / 7.1 x 7.1 x 3 inch (L*W*H); Diagonal Mounting Hole Distance: 170 mm / 6.7 inch; Adjacent Mounting Holes Distance: 80 mm / 3.1 inch; Color: Black; Material: ABS… ... more | FREE shipping go to store |
 | 4" Vent Duct Connector Flange Fitting Duct Air Tight Coupling w Flange - Silver Tone Interface Outer Diameter: 97 mm / 3.8 inch; Overall Height: 70 mm / 2.8 inch; Base Outer Diameter: 170 mm / 6.7 inch; Screw Hole Diameter: 9 mm / 0.35 inch; Color: Silver Tone; Material: Galvanized Iron; Packing List: 1pcs x Duct Connector, 1pcs x… ... more | $28.99 $23.19 FREE shipping go to store |
 | Duct Connector Flange 2pcs Stainless Steel Flat Duct Mounting Plate - Silver Tone Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. It is mainly installed on the connection of the duct valve, duct elbow connector, 3-way duct connector, and duct reducer connector. ... more | FREE shipping go to store |
 | Duct Connector Flange 2pcs Stainless Steel Flat Duct Mounting Plate - Silver Tone Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. It is mainly installed on the connection of the duct valve, duct elbow connector, 3-way duct connector, and duct reducer connector. ... more | FREE shipping go to store |
 | Duct Connector Flange 2pcs Stainless Steel Flat Duct Mounting Plate - Silver Tone Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. It is mainly installed on the connection of the duct valve, duct elbow connector, 3-way duct connector, and duct reducer connector. ... more | FREE shipping go to store |
 | 4" Vent Duct Connector Flange Fitting Duct Air Tight Vent Extension - Silver Tone Interface Outer Diameter: 97 mm / 3.8 inch; Overall Height: 70 mm / 2.8 inch; Base Outer Diameter: 112 mm / 4.4 inch; Color: Silver Tone; Material: Galvanized Iron; Packing List: 1pcs x Duct Connector Advantages: 1. ... more | FREE shipping go to store |
 | Duct Connector Flange Stainless Steel Flat Duct Mounting Plate - Silver Tone Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. It is mainly installed on the connection of the duct valve, duct elbow connector, 3-way duct connector, and duct reducer connector. ... more | $15.49 $12.39 FREE shipping go to store |
 | Duct Connector Flange Stainless Steel Flat Duct Mounting Plate - Silver Tone Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. It is mainly installed on the connection of the duct valve, duct elbow connector, 3-way duct connector, and duct reducer connector. ... more | $12.99 $10.39 FREE shipping go to store |
 | Duct Connector Flange Stainless Steel Flat Duct Mounting Plate - Silver Tone Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. It is mainly installed on the connection of the duct valve, duct elbow connector, 3-way duct connector, and duct reducer connector. ... more | FREE shipping go to store |
 | Duct Connector Flange Stainless Steel Flat Duct Mounting Plate - Silver Tone Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. It is mainly installed on the connection of the duct valve, duct elbow connector, 3-way duct connector, and duct reducer connector. ... more | $24.49 $20.82 FREE shipping go to store |
 | Duct Connector Flange Stainless Steel Flat Duct Mounting Plate - Silver Tone Duct flanges are widely used for air ventilation systems in homes, kitchens, bathrooms, garages, factories, etc. It is mainly installed on the connection of the duct valve, duct elbow connector, 3-way duct connector, and duct reducer connector. ... more | $18.49 $14.79 FREE shipping go to store |
 | 10" Vent Duct Connector Flange Fitting Duct Air Tight Couplings Vent Extension - Silver Tone Interface Outer Diameter: 245 mm / 9.6 inch; Overall Height: 70 mm / 2.8 inch; Base Outer Diameter: 265 mm / 10.4 inch; Color: Silver Tone; Material: Galvanized Iron; Packing List: 1pcs x Duct Connector Advantages: 1. ... more | FREE shipping go to store |
 | 4" Metal Backdraft Damper Backflow Preventer Draft Blocker Connector - Red The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. ... more | FREE shipping go to store |
 | 4" Metal Backdraft Damper Backflow Preventer Draft Blocker Connector - Red The backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. ... more | FREE shipping go to store |
 | 2 Set 4" Stainless Steel Backdraft Damper with Ducting Hose Clamp - Silver The backdraft damper is used to prevent the backflow of lampblack or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. ... more | FREE shipping go to store |
 | 1 Set 4" Stainless Steel Backdraft Damper with Ducting Hose Clamp - Silver The backdraft damper is used to prevent the backflow of lampblack or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. ... more | FREE shipping go to store |
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