SQUARE TREE-STYLE CFBST120

For 18" opening or larger

CFBST120NG  |  CFBST120LP

Dimensions: 11.25" x 10" 

Recommended parts:

• Plate: ALPL18S (square)

• Flex Line Kit: FLKV12

• Optional 4x Flexible Metal Support Collars ​

SQUARE TREE-STYLE CFBST240

For 30" opening or larger

CFBST240NG  |  CFBST240LP

Dimensions: 20" x 18" 

Recommended parts:

• Plate: ALPL24S (square)

• Flex Line Kit: FLKV34FIT180

• Optional 4x Flexible Metal Support Collars ​

SQUARE TREE-STYLE CFBST400

For 36" opening or larger

CFBST400NG  |  CFBST400LP

Dimensions: 24.5" x 28" 

Recommended parts:

• Plate: ALPL36S (square)

• Flex Line Kit: DFLKV34FIT300

• Optional 4x Flexible Metal Support Collars ​

SQUARE TREE-STYLE CFBST500

For 42" opening or larger

CFBST500NG  |  CFBST500LP

Dimensions: 30.25" x 31.25" 

Recommended parts:

• Plate: ALPL42S (square)

• Flex Line Kit: DFLKV34FIT300

• Optional 7x Flexible Metal Support Collars ​