SLEEVEPOLYSEINS – Gree Polymer Wall Sleeve (Insulated)
$159.3242” x 16” x 14”deep Premium polymer wall sleeves are designed to withstand the toughest climate conditions with non-corrosive fiberglass-reinforced polyester compound and factory installed insulation for exceptional strength, superior sound absorption, and minimal heat loss. Polymer Wall Sleeve (Insulated) Alpine Beige [previously SLEEVE-INSUL-1PK]