The Thermwell Products Co., Inc. 62 in. The insulation features polyurethane construction. Frost King window insulation kit for interior use. Material Polyurethane. Product Width (in) 210 in. Product Height (in) 62 in.
The Thermwell Products Co., Inc. 62 in. The insulation features polyurethane construction. Frost King window insulation kit for interior use. Material Polyurethane. Product Width (in) 210 in. Product Height (in) 62 in.