The Thermwell Products Co. Inc. Indoor Window Insulation Kit (3-Pack) provides shrink film to insulate 3 standard sized windows to help increase their R-Values up to 90% for energy-saving efficiency.
Frost King V73/3H Indoor Shrink Window Kit, 42 in W, Plastic Shrinks tight and wrinkle-free with an ordinary hair dryer (not included). Install on metal, painted or varnished of vinyl clad frames. Comes with double-faced tape. 42 in x 62 in sheet.
Frost King Shrink Window Kit, Indoor, 42 x 62 in
DIY Magnetic Window Insulation Kit Indoor Film for Heat and Cold
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Frost King V73/3H Shrink Window Kit Indoor 42 x 62 in 3-Pack Clear
Frost King V73/3H Shrink Window Kit, Indoor, 42 x
Frost King V73/3H Indoor Shrink Window Kit, 42 in W, Plastic Shrinks tight and wrinkle-free with an ordinary hair dryer (not included). Install on metal, painted or varnished of vinyl clad frames. Comes with double-faced tape. 42 in x 62 in sheet.
Frost King Shrink Window Kit, Indoor, 42 x 62 in
Frost King V73/3H Indoor Shrink Window Kit, 42 in W, Plas
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