Collection: Square Roof Curbs (Non insulated) - 6 inch Tall

Diameter: 3"

Opening: 5"

Height 6"

L & W: 6"

Diameter: 4"

Opening: 6"

Height 6"

L & W: 7"

Diameter: 5"

Opening: 7"

Height 6"

L & W: 8"

Diameter: 6"

Opening: 8"

Height 6"

L & W: 9"

Diameter: 7"

Opening: 9"

Height 6"

L & W: 10"

Diameter: 8"

Opening: 10"

Height 6"

L & W: 11"

Diameter: 9"

Opening: 11"

Height 6"

L & W: 12"

Diameter: 10"

Opening: 12"

Height 6"

L & W: 13"

Diameter: 12"

Opening: 13"

Height 6"

L & W: 15"

Diameter: 14"

Opening: 15"

Height 6"

L & W: 17"

Diameter: 16"

Opening: 17"

Height 6"

L & W: 19"

Diameter: 18"

Opening: 19"

Height 6"

L & W: 21"

Diameter: 20"

Opening: 21"

Height 6"

L & W: 23"

Diameter: 24"

Opening: 25"

Height 6"

L & W: 27"