19" x 15-7/8" to 16" x 21" R-6 Insulated 12" Long 1/2" Flange Out Transition

Name: 19" x 15-7/8" to 16" x 21" R-6 Insulated 12" Long 1/2" Flange Out Transition
Brand: American Sheet Metal
SKU: TRANSITION19X15-78TO16X21

American Sheet Metal

MFR# TRANSITION19X15-78TO16X21 | MSC-2108971