Round Back Vent C2

Diameter: 3"

Collar Height: 2"

Diameter: 4"

Collar Height: 2"

Diameter: 5"

Collar Height: 2"

Diameter: 6"

Collar Height: 2"

Diameter: 7"

Collar Height: 2"

Diameter: 8"

Collar Height: 2"

Diameter: 9"

Collar Height: 2"

Diameter: 10"

Collar Height: 2"

Diameter: 12"

Collar Height: 2"