Skip to main content
Blueair

Rectangular Duct Fittings

248 products

Southwark Metal Manufacturing

18x6 End Cap (6)

21186

$16.188In Stock

4 available

Southwark Metal Manufacturing

Southwark 151210 Duct Angle, 45 deg, 12 x 10 in Duct, 26 ga, Steel

151210

$52.00In Stock

34 available

Southwark Metal Manufacturing

10x4 Register Collar (1)

19RC6104

$32.00In Stock

83 available

Southwark Metal Manufacturing

Southwark 151212 Duct Angle, 45 deg, 12 x 12 in Duct, 26 ga, Steel

151212

$58.10In Stock

32 available

Southwark Metal Manufacturing

6x8 Trunk Start Collar (6)

2068

$24.538In Stock

19 available

Southwark Metal Manufacturing

Southwark 1111066 Register Outlet, 10 x 6 x 6 in

1111066

$30.488In Stock

15 available

Southwark Metal Manufacturing

Southwark 2088 Duct Starting Collar, 8 X 8 in, Hot Dipped Galvanized, Steel

2088

$19.50In Stock

60 available

Southwark Metal Manufacturing

Southwark 202510 Starting Collar, 25 x 10 in, Hot Dipped Galvanized, Steel

202510

$53.413In Stock

47 available

Southwark Metal Manufacturing

Southwark 23AT188 Transition Collar, 18 x 8 in, Hot Dipped Galvanized, Steel

23AT188

ContactOut of Stock

Southwark Metal Manufacturing

Southwark 202210 Starting Collar, 22 x 10 in, Hot Dipped Galvanized, Steel

202210

$40.175In Stock

42 available

Southwark Metal Manufacturing

24x10 Trunk Start Collar (6)

202410

$40.55In Stock

27 available

Southwark Metal Manufacturing

20x8 Transition Collar (1)

23AT208

ContactOut of Stock

Southwark Metal Manufacturing

Southwark 23188 Offset Collar, 18 x 8 in, Galvanized, Steel

23188

ContactOut of Stock

Southwark Metal Manufacturing

Southwark 23108 Offset Collar, 10 x 8 in, Galvanized, Steel

23108

ContactOut of Stock

Southwark Metal Manufacturing

16x10 Trunk Start Collar (6)

201610

$35.50In Stock

53 available

Southwark Metal Manufacturing

Southwark 131210 Duct Elbow, 45 deg, 12 x 10 in, 26 ga, Steel, Hot Dipped Galvanized

131210

$66.875In Stock

31 available

Southwark Metal Manufacturing

28x8 Trunk Start Collar (6)

20288

$53.413In Stock

5 available

Southwark Metal Manufacturing

Southwark 21188 Duct End Cap, 18 x 8 in, 26 ga, Steel

21188

$16.375In Stock

106 available

Southwark Metal Manufacturing

Southwark 213010 End Cap, 30 x 10 in, 26 ga, Steel

213010

$54.125In Stock

11 available

Southwark Metal Manufacturing

4" Trunk Reducer for 10" Duct (12)

35410

$18.85In Stock

97 available

Southwark Metal Manufacturing

14x6 Register Collar (1)

27T6146

$40.05In Stock

25 available

Southwark Metal Manufacturing

20x10 Flat Trunk 45 (1)

132010

$90.70In Stock

32 available

Southwark Metal Manufacturing

Southwark 141212 Broadway Flat Elbow, 90 deg, 12 x 12 in

141212

$106.438In Stock

52 available

Southwark Metal Manufacturing

Southwark 20128 Duct Starting Collar, 12 x 8 in, Hot Dipped Galvanized, Steel

20128

$20.25In Stock

66 available

Southwark Metal Manufacturing

16x6 End Cap (6)

21166

$15.238In Stock

19 available