OCTAGONAL CFBO140

For 18" opening or larger

CFBO140NG  |  CFBO140LP

Dimensions: 14.5" x 12.5"

Recommended parts:

• Plate: ALPL18C (circle) or ALPL18S (square)

• Flex Line Kit: FLKV34FIT180

• Optional 3x Flexible Metal Support Collars ​

OCTAGONAL CFBO180

For 24" opening or larger

CFBO180NG  |  CFBO180LP

Dimensions: 15.75" x 14.75"

Recommended parts:

• Plate: ALPL24C (circle) or ALPL24S (square)

• Flex Line Kit: FLKV34FIT180

• Optional 4x Flexible Metal Support Collars ​

OCTAGONAL CFBO280

For 30" opening or larger

CFBO280NG  |  CFBO280LP

Dimensions: 21.75" x 22.75"

Recommended parts:

• Plate: ALPL30C (circle) or ALPL30S (square)

• Flex Line Kit: DFLKV34FIT250

• Optional 5x Flexible Metal Support Collars ​

OCTAGONAL CFBO360

For 42" opening or larger

CFBO360NG  |  CFBO360LP

Dimensions: 27.5" x 29.5"

Recommended parts:

• Plate: ALPL42C (circle) or ALPL42S (square)

• Flex Line Kit: DFLKV34FIT300

• Optional 7x Flexible Metal Support Collars ​