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Frost King Window Insulation Kit
The Thermwell Products Co., Inc. Frost King Window Insulation Kit includes 9-pre-cut sheets to make it easy to insulate 9 standard windows. The 62 in. L x 42 in. W sheets help stop cold drafts and limit heat loss.
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Available
in 4 shops
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$8.54 - $25.49
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Manufacturer: Thermwell Products
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Indoor Window Insulation Kit (3-Pack)
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. Energy Star
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Available
in 3 shops
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$3.64 - $9.89
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Manufacturer: Thermwell Products
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E/O 84 in. x 110 in. Patio Shrink Window Insulation Kit
This Patio Door shrink window kit fits most patio doors. Our film is precut to make installation fast and easy. putting shrink film over a patio door can save up to $30 a season on utility bills. Shrink window kits help reduce energy loss and improve the R-Factor of a single pane Patio door by 90%.
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Available
in 3 shops
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$5.32 - $14.07
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Manufacturer: Thermwell Products
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