33" x 21" to 19" x 19" R-6 Insulated Rectangular Duct Transition

Name: 33" x 21" to 19" x 19" R-6 Insulated Rectangular Duct Transition
Brand: M&M
SKU: 33.21.19.19

M&M

MFR# 33.21.19.19 | MSC-73690