First America - SLEEVE-POLY-SE-INS Standard PTAC Snap Together Wall Sleeve Polymer Insulated 42 x 16
About This Product
Standard insulated polymer wall sleeve by First America, with factory-installed insulation. This sleeve provides superior sound absorption and reduces heat loss. In addition, the sleeve helps to prevent sleeve sweating, which most often occurs when the outside temperature is cold and the indoor conditions are warm and humid.
Replaces part# SLEEVE-INSUL-1PK
Warning: this product contains a chemical known to the State of California to cause cancer. P65Warnings.ca.gov